ReviewsLow Oxygen Level Alarm

Carbon Monoxide Detector,CO Monitor Alarm Detector Battery Powered,CO Detector with LCD Digital Display and Sound Warning for Home,Office,School,Basement,Garage,Complies with UL 2034 Standards

High Sensitivity and Fast Responsive—Carbon Monoxide Detector features an advanced electrochemical Sensor that accurately detects carbon monoxide levels and quickly response to save your life in the first time when fire hazard occurs,To ensure complete protection make sure to place one on each level of your home and in each bedroom..
Safe And Visible LCD Digital Display—With 3 digits LCD displayer is optional, 'Err' on the LCD to indicate the unit is malfunctioning. 'Lb' on the LCS to indicate it low battery and need to replacement. '999ppm' on the LCD to indicate CO level over 999ppm And Loud 85 decibel alarm with LED Flash While in the Alarm Mode for the life-saving safety, protect the family from carbon monoxide..
Alarm Standard & Alarm Warning—When the alarm detects that CO concentration exceeds 50ppm , alarm within 60-90 minutes.
300ppm, alarm within 3 minutes. When a dangerous level of carbon monoxide is detected the red LED will flashes and a loud alarm pattern will sound--Loud 85 decibel alarm with LED Flash..
Easy TO Install & Widely Use—Simple to use,with a single test/reset button,Comes with mounting accessories, just drill holes in the right places , and done.

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Sump Pump Alarm, Briidea Indoor/Outdoor High Water Septic Tank Alarm with 110dB Loud Alarm and Large LED Indicator, 10ft Level Float Switch, Ideal for Septic Sump Pump Pond Water Tank

HIGH WATER SEPTIC ALARM: Basement flooding can cost you a lot of time, effort and money. Use our septic tank alarm, through the float switch to detect the water level of your septic, and timely alarm when the water level is too high, protect your house and property from flooding, give you peace of mind then.
110 DECIBEL ALARM: With volume alarm and large LED warning light, double protection. The alarm sounds up to 110 dB, you can hear it clearly no matter where you are, thus protecting your basement and home from water damage.
WEATHERPROOF ENCLOSURE: Are you looking for a high water sump alarm flood alarm that works both outdoors and indoors? The enclosere of our alarm is made of weatherproof components, IP67-rated weatherproof, is not affected by any extreme weather, very suitable for indoor/outdoor use, is your ideal choice.
ADJUSTABLE DETECT RANGE: The high water alarm system equipped with a 10 ft float level switch and a 6 ft power cord, you can adjust the detect range as needed to minimize damage to your property.
WIDELY USED: Very suitable for monitoring the water level ....

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Andoolex Wooden Digital Alarm Clock with Wireless Charging, 0-100% Adjustable Brightness Dimmer and Alarm Volume, Weekday /Weekend Mode, Dual Alarm, Snooze, 12/24H, Wood LED Clock for Bedroom (Black)

...k】Wooden Alarm Clock with Wireless Charging support to charge your smart devices, convenient for you to place and charge your phone at the same time. The built-in Wireless Charging pad is compatible with all phones supports wireless charging so you can rest your device on top for easy charging with no wires..
【5 Level Brightness Adjustable alarm clock】Compared with the old version of 3-level dimming, this new version digital alarm clock has more clear LED digits with 5 level range dimmable, you can easily adjust to your favorite brightness level, no more shining display at night for those who are very sensitive to light when sleeping..
【Dual Alarm Clock Setting】Dual alarm function allows you to set two different wake-up times to ensure you are never late for work. Also, it allows you to set weekday mode, which will ring only on Monday to Friday..
【Volume Adjustable Alarm Clock】 - Compared with the old version alarm clock, this new version digital alarm clock with no harm “ beep” alarm sound can be set from 60dB - 90dB as person preference. Needless worry the alarm sound, either too loud thus frightening you or too low to wake you up from deep sleeping. Meanwhile, it supports 9 minutes snooze function.

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Andoolex Wooden Digital Alarm Clock with Wireless Charging, 0-100% Adjustable Brightness Dimmer and Alarm Volume, Weekday /Weekend Mode, Dual Alarm, Snooze, 12/24H, Wood LED Clock for Bedroom (White)

...k】Wooden Alarm Clock with Wireless Charging support to charge your smart devices, convenient for you to place and charge your phone at the same time. The built-in Wireless Charging pad is compatible with all phones supports wireless charging so you can rest your device on top for easy charging with no wires..
【5 Level Brightness Adjustable alarm clock】Compared with the old version of 3-level dimming, this new version digital alarm clock has more clear LED digits with 5 level range dimmable, you can easily adjust to your favorite brightness level, no more shining display at night for those who are very sensitive to light when sleeping..
【Dual Alarm Clock Setting】Dual alarm function allows you to set two different wake-up times to ensure you are never late for work. Also, it allows you to set weekday mode, which will ring only on Monday to Friday..
【Volume Adjustable Alarm Clock】 - Compared with the old version alarm clock, this new version digital alarm clock with no harm “ beep” alarm sound can be set from 60dB - 90dB as person preference. Needless worry the alarm sound, either too loud thus frightening you or too low to wake you up from deep sleeping. Meanwhile, it supports 9 minutes snooze function.

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Andoolex Wooden Digital Alarm Clock with Wireless Charging, 0-100% Adjustable Brightness Dimmer and Alarm Volume, Weekday /Weekend Mode, Dual Alarm, Snooze, 12/24H, Wood LED Clock for Bedroom (Bamboo)

...k】Wooden Alarm Clock with Wireless Charging support to charge your smart devices, convenient for you to place and charge your phone at the same time. The built-in Wireless Charging pad is compatible with all phones supports wireless charging so you can rest your device on top for easy charging with no wires..
【5 Level Brightness Adjustable alarm clock】Compared with the old version of 3-level dimming, this new version digital alarm clock has more clear LED digits with 5 level range dimmable, you can easily adjust to your favorite brightness level, no more shining display at night for those who are very sensitive to light when sleeping..
【Dual Alarm Clock Setting】Dual alarm function allows you to set two different wake-up times to ensure you are never late for work. Also, it allows you to set weekday mode, which will ring only on Monday to Friday..
【Volume Adjustable Alarm Clock】 - Compared with the old version alarm clock, this new version digital alarm clock with no harm “ beep” alarm sound can be set from 60dB - 90dB as person preference. Needless worry the alarm sound, either too loud thus frightening you or too low to wake you up from deep sleeping. Meanwhile, it supports 9 minutes snooze function.

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Andoolex Wooden Digital Alarm Clock with Wireless Charging, 0-100% Adjustable Brightness Dimmer and Alarm Volume, Weekday /Weekend Mode, Dual Alarm, Snooze, 12/24H, Wood LED Clock for Bedroom (Brown)

...k】Wooden Alarm Clock with Wireless Charging support to charge your smart devices, convenient for you to place and charge your phone at the same time. The built-in Wireless Charging pad is compatible with all phones supports wireless charging so you can rest your device on top for easy charging with no wires..
【5 Level Brightness Adjustable alarm clock】Compared with the old version of 3-level dimming, this new version digital alarm clock has more clear LED digits with 5 level range dimmable, you can easily adjust to your favorite brightness level, no more shining display at night for those who are very sensitive to light when sleeping..
【Dual Alarm Clock Setting】Dual alarm function allows you to set two different wake-up times to ensure you are never late for work. Also, it allows you to set weekday mode, which will ring only on Monday to Friday..
【Volume Adjustable Alarm Clock】 - Compared with the old version alarm clock, this new version digital alarm clock with no harm “ beep” alarm sound can be set from 60dB - 90dB as person preference. Needless worry the alarm sound, either too loud thus frightening you or too low to wake you up from deep sleeping. Meanwhile, it supports 9 minutes snooze function.

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Pulse oximeter fingertip with Plethysmograph and Perfusion Index, Portable Blood Oxygen Saturation Monitor for Heart Rate and SpO2 Level, O2 Monitor Finger for Oxygen,Pulse Ox,Oximetro, (White)

ACCURATEThe fingertip pulse oximeter deviates less than 1% under lab conditions. Upgrade LED and sensor allows SpO2 (Blood Oxygen Saturation level) and pulse rate measurement at low blood perfusion index. Plethysmograph and Perfusion Index can help you to judge whether your measured SpO2 and Pulse Rate is properly..
RELIABLEFrom the ABS shell, OLED screen, acrylic panel, high-speed computing chips , anti-skip silicone inside, medical-grade silicone finger mold and various electronic components of oxygen finger monitor, all adopt high-quality materials and components. Even the spring of the oximeter finger has been subjected to thousands of tests. We will never use any cheap material to make oxygen monitor..
24 MOTHS WARRANTY24 months of manufacturer warranty. If the product has quality problems, please contact the seller for free replacement via Amazon Mail.For sports or aviation use only..
Easy to useAlarm function-Auditory alarm to warn you when your SpO2 and Pulse Rate are beyond set limits. The pulse oximeter fingertip automatically turns off 6-8 seconds. Include 2X AAA BATTERIES that you can use the pulse oxiright out of the box, a Carrying Case to protect the finger oximeter from damage and dirt, a LANYARD for convenience..

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American Lifetime Newest Version Day Clock Extra Large Impaired Vision Digital Clock with Battery Backup and 5 Alarm Options

...zzle when viewed at night. You can adjust the dimmer as much as you like up to 0 is excellent so that it doesn't interfere with your sleep..
Simple Radio Alarm Clock - Easy to set time and alarms, 12/24 hour display, radios. The brightness and volume of the alarm clock from low to high can be adjusted to you comfort level..
Dual Alarms with 2 Ringtones - Dual alarms can separate your waking-up time from your partner and are suitable for your timetable. You can choose the buzzer or radio to wake you up, both alarm source volumes can be adjusted to your comfort level. (Buzzer : 3 level.
USB Charge Port - 5V/1A USB output interface at the back of the clock allows you to charge your smartphone, iPad or other USB devices, which is very convenient..

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VIVOSUN Air Stones Disc 5 x 5 Inch with Shell and Sucker for Aquarium, Fish Tank and Hydroponics Air Pump

【Long life & Low-frequency Operation】 Fish Tank Oxygen Air Pump Hydroponics + 2 Air stone + 1M Silicone Tube.
Double-headed Pump】 There are two vents , can provide oxygen to two fish tanks at the same time..
【Multifunction】 Multi-level muffler/ Small size but plus oxygen/ Low noise/ Oil-free compressed air pure/ Can effectively regulate the air displacement..
【Quiet】 Good Looks and Low Noise.Noise lower than 35db ,sometimes even 2.2db.
【Stable Performance】 Perfectly suitable for using at all kinds of high-grade aquarium, aquaculture oxygenation, spout decoration,etc..

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Portable Carbon Monoxide Detectors CO Detector Monitor for Car, Aircraft, Bus, Trucks, Pilots, Vehicle, Travel and Camping, with Visual and Audible Alerts Alarm Battery Powered

ACCURATE AND RELIABLE: CO low-level alarm at 9ppm & 25ppm alarms, 9-month runtime with battery-powered..
FAST ALARMS: Alarms at >10ppm @ 60 secs, compared to home CO detectors. 10-24ppm: Alarm Level I,shows real-time CO concentration and red light flashe.
25-49ppm: Alarm Level II, shows real-time CO concentration.
≥50ppm: Alarm Level III, shows real-time CO concentration.
red light flashes with a buzzer sounds and a Vibration..
EASY USE: Easy to set and use with simple one-button operation, Designed primarily for Vehicles(i.e. trucks, SUVs, buses, aircraft, boat).
TRUST: * 1 year limited warranty * Arrives factory calibrated * 100% product test * 100% quality guaranteed.

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JacLok Digital Alarm Clock for Bedrooms - Large 6\ LED Display with Dimmer, Swivel Base, Snooze, Loud Adjustable Volume, Easy to Set, Battery Backup Desk Clock for Kids,Boy&Girl,Teens,Heavy Sleepers

...modern clock has been designed with special 90° swivel base so you could rotate to some extent so it's not glaring at you when you wake at night or in case your nightstand is not high enough to read the time. Small digital clock for bedroom, living room, office, home, kitchen and shelf..
ADJUSTABLE ALARM VOLUME & 2 LEVEL BRIGHTNESS DIMMER - The alarm buzzer volume for this bedside clock could be set from Low-High level. Needless to worry the alarm sound is either too loud to frighten you when you half awake or too low to wake you up from deep sleeping. The convenient dimmer button allows you to adjust the display brightness from low-high (dim to bright) to your own personal comfort level. The ultra-clear big white numbers are easy to read from all angles with 12 hour time display (no confusing 24 hour mode) and PM indicator..
EASY SNOOZE & TURN ON/OFF ALARMS - This plug in alarm clock with big snooze button on the top enable you to reach it when you are half awake in the morning to get more 9 minutes of sleep. The big round alarm ON/OFF button at the back of this digital alarm clocks for bedrooms allow you to cancel the alarm for 24 hours on weekdays or disable the alarm on weekends, which are very obvious to see and extreme easy to set, even the kids....

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