ReviewsAlarm For Water Supply

Foxtop Kids Alarm Clock, Digital Alarm Clock for Kids Bedroom LED Time Display, 3 Alarm Setting, Touch/Sound Control, Battery Operated /USB Port, Cute Clock for Toddler Children Boys Girls (Green)

...lay can be activated by voice control, tapping, shaking, etc. When a sound is detected, the screen will light up, and will automatically turn off the display after 15 seconds. DP1 mode: 10s for time, 2.5s for date, 2.5s for temp and display once in turn with total 15s. DP2 Time fixed mode: show time only..
Two Power Supply Modes: Install three AAA dry batteries to supply power or connect USB external power. (Note:The battery and USB external power supply cannot be used at the same time, otherwise the battery power will be consumed..
Easy to Use: It can be placed at will, standing or lying down. Design with magnetic adsorption, can be attached to the refrigerator or other iron parts. It can also be placed on the desktop for easy timing and viewing..
Ideal Gift: The cute cat paw shape design makes it an elegant decoration even if you don’t need to use it. Perfect kids alarm clock with safe ABS material, ideal for bedroom, relaxing room, bedside, bookcase. It is especially ideal as holiday or birthday gift..

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Car HUD Head Up Display, OBD2 HUD Display with OBDII GPS Dual System OBD2 Speedometer Gauge 8 Modes Multifunction Gauge Dashboard Display Smart Gauge can Installed Dashboard or A-Pillar Trim

Car Head UP Display Generally speaking, the scope of application of OBD2 models: OBD2 agreement gasoline vehicles produced in the United States after 2004 and OBD2 agreement gasoline vehicles produced in other regions after 2008. GPS model: all cars can be used. Just connect the power supply. Regardless of model and year, the voltage range is 8 ~ 18V ..
The GPS function can be displayed at the same time in the OBD mode, which is currently the first in the industry. When the speed is switched to MPH per mile, the water temperature will be automatically switched to Fahrenheit degrees, the single driving distance will also be automatically switched to Miles, and the fuel consumption will also be automatically switched to gallons MPG..
Car HUD Display Function: OBD2 mode: speed, rpm, water temperature, voltage, fuel consumption, clock, single travel distance, single travel time, oil temperature, turbine pressure, acceleration test, brake test, overspeed alarm, engine failure alarm, elimination of fault code, water temperature alarm , speed alarm, voltage alarm, mile switch, fatigue driving reminder, automatic and manual brightness adjustment..
GPS mode: speed per hour, altitude, number of satellites, clock, mileage of per trip....

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Kiro&Seeu 2PCS Microwave Doppler Radar Motion Detector Sensor RCWL-0516 Module Board Switch Compatible with Ar-duino Raspberry PI,Human Rat Cat Detector, (CWL-0516-MD-2P)

This RCWL-0516 module has the characteristics of high sensitivity, high induction distance, high reliability, large induction angle, wide power supply voltage range, etc. it is widely used in various kinds of human body induction lighting and alarm and so on..
The RCWL-0516 microwave radar sensor module can detect inert object at the condition that it has enough density, volume and it is in motion..
Microwave radar sensor will sense motion through most anything. The more shielding there is, the less detection range you get. I can detect motion through glass, drywall walls, ceilings and floors. It is very sensitive. You might have to filter the power supply. Tutorials contact us..
It can work with (for) arduino/nodemcu/wemos etc..
It can detect human, cat, rat, water. Works with Arduino and Nodemcu Document link, please contact us..
high sensitivity, high induction distance, high reliability, large induction angle, wide power supply voltage range ,it is widely used in various kinds of human body induction lighting and alarm and so on.

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Trintec 24 Hour Square Military Time SWL Zulu Time 24Hr Black Wall Clock 10\ Dial Ham Shack 24H-10

...table brightness: If you find that the LED is too bright at night, you can use the "UP" button to adjust it to a low level, long press the light button to turn off the LED, or unplug the power cord to let the clock work in power saving mode..
Two power sources: When only 3 AAA batteries (not included in the scope of supply) are used for power supply, the clock will automatically be in power saving mode. When the energy-saving mode is turned on, the LED will automatically turn off for 15 seconds after the last operation, and it can be awakened by lightly tapping, clicking, or tapping. If you want the LED to stay on, please plug in the power cord (included) and use a 5V/1A USB adapter (not included in the scope of supply) to charge it..

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Kungber DC Power Supply Variable, 30V 5A Adjustable Switching Regulated DC Bench Linear Power Supply with 4-Digits LED Power Display 5V/2A USB Output, Coarse and Fine Adjustments with Alligator Leads

【Automatic Power Calculation】 Different from other dc power supplies, WANPTEK DPS1203U dc power supply can automatically calculate the power value according to the voltage and current, but also can simultaneously display the 4-digit voltage, current and power values, numerical accuracy of 0.01V and 0.001A..
【5V/3.6A USB Interface】The variable power supply has built-in fast charging protocol identification chip that supports USB fast charging function, which is different from the ordinary USB charging interface in that it has a 5V/3.6A output that can quickly charge your mobile phones and or other devices or be used to charge the device to be repaired..
【Short Circuit Alarm】In order to improve the safety of the dc power supply and prolonging its service life, we have designed a short circuit alarm for the dc power supply. When a short circuit occurs, the variable DC power supply will stop output and send out an alarm to remind you. Bench power supply also have safety protections such as overvoltage, overcurrent, overheating and overload..
【Wide Applications】The adjustable power supply features an intelligent temperature-controlled fan and heat sink for excellent heat dissipation and is especially suitable for laboratory, electronic repair....

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NC 6.3 inches Multifunctional Voice-Activated Luminous Mute Electronic Alarm Clock, LED Temperature Display, Smart Clock with Light, Creative Mirror (White Number)

...table brightness: If you find that the LED is too bright at night, you can use the "UP" button to adjust it to a low level, long press the light button to turn off the LED, or unplug the power cord to let the clock work in power saving mode..
Two power sources: When only 3 AAA batteries (not included in the scope of supply) are used for power supply, the clock will automatically be in power saving mode. When the energy-saving mode is turned on, the LED will automatically turn off for 15 seconds after the last operation, and it can be awakened by lightly tapping, clicking, or tapping. If you want the LED to stay on, please plug in the power cord (included) and use a 5V/1A USB adapter (not included in the scope of supply) to charge it..

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Projection Alarm Clock with FM Radio, 180° Projector Dual Alarms Clock with Snooze, USB Charger Ports, 0-100% Dimmer 5 Alarm Sounds with Sleep Timer 12/24H Setting Clock Radios for Bedroom

...dimmer slider of the alarm clock with projection on ceiling allows you to adjust the full range brightness of the display to your preference - from exceedingly bright to exceedingly dim, not normal 3-level control. And there are 5 optional alarm sounds and 3 adjustable volume levels for you to choose from.
USB Power Supply & Memory Battery: Clock radios is powered by a USB power cord, you can choose a wall socket or mobile power supply to power the alarm clock.
an alarm clock with projection on ceiling also has a USB interface, alarm clock with USB charger can charge your phone, etc. smart devices in the office, bedroom or living room.

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DC Power Supply Variable, Adjustable Switching Regulated Power Supply (0-30 V 0-10 A) with 4-Digits LED Display, 5V/3.6A USB Quick-Charge Interface, Short Circuit Alarm, Coarse and Fine Adjustments

【Automatic Power Calculation】 Different from other dc power supplies, WANPTEK DPS3010U dc power supply can automatically calculate the power value according to the voltage and current, but also can simultaneously display the 4-digit voltage, current and power values, numerical accuracy of 0.01V and 0.001A..
【5V/3.6A USB Interface】The variable power supply has built-in fast charging protocol identification chip that supports USB fast charging function, which is different from the ordinary USB charging interface in that it has a 5V/3.6A output that can quickly charge your mobile phones and or other devices or be used to charge the device to be repaired..
【Short Circuit Alarm】In order to improve the safety of the dc power supply and prolonging its service life, we have designed a short circuit alarm for the dc power supply. When a short circuit occurs, the variable DC power supply will stop output and send out an alarm to remind you. Bench power supply also have safety protections such as overvoltage, overcurrent, overheating and overload..
【Wide Applications】The adjustable power supply features an intelligent temperature-controlled fan and heat sink for excellent heat dissipation and is especially suitable for laboratory, electronic repair....

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Baotop Projection Digital Alarm Clock for Bedroom LED Alarm Clock for Bedrooms with USB Charger Port, 12/24H,DST,Snooze, Mirror LED Loud Alarm Clock (White)

...d humidity notification, alarm and time display functions. The large 7.3-inch display is easy to read, especially for children and the elderly.You can see the time clearly.
【USB Charging Port & Memory Battery Backup】 Digital alarm clock is powered by a USB power cord, you can choose a wall socket or mobile power supply power it Memory battery(NOT INCLUDED) has a time memory function. When the power is off, the digital clock system still keeps normal timing don't need to reset the time and alarm clock after the power supply is restored..
【WORRY FREE SHOPPING EXPERIENCE】Please select Baotop Store for purchase.For all customers who have purchased our projection alarm clock, we will provide friendly customer service and promise to do our best to solve the problem for you. If you meet any problems with the product, please feel free to contact us through the order information or e-mail. We will get back to you within 24 hours..

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SNDWAY SW-525A 30-130dB Digital Sound Level Meter with Large LCD Display Noise Meter Decibel Wall Mounted Hanging

1. Measuring range: 30 to 130dB, the product operation is very convenient, it can be used only by connecting the power supply (additional power supply needs 5V 1A) accuracy: ±1.5dB (reference sound pressure level, 94dB @ 1KHz), frequency response range: 31.5Hz ~8.5KHz.
2. Large 9.6-inch LCD display with backlight, powered by DC 5V 1A Micro USB socket, this meter can be used to measure noise in various occasions and accessories, such as factories, offices, homes, traffic routes, audio, air-conditioning refrigerators, etc. Wait.
3. Alarm switch setting: short press the "horn button" to turn off the alarm and the red light goes out, then press the "horn button" to turn on the alarm, and the red light is on. In the normal measurement state, long press the "horn key" to enter the alarm setting, adjust the alarm value through the up and down keys, short press the "horn key" to save the alarm value, or short press the "power key" to cancel the setting..
4. Note: Power on, short press the "switch machine" button to shut down, long press the "switch machine" button, automatic startup function: the product will automatically turn on when connected to the power supply, long press the "switch machine" button, it will shut down, if LCD display appears The numbers o....

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ORIA Digital Alarm Clock, [Newest] LED Electronic Clock, Large LED Alarm Clock with Temperature Display, 12/24Hr, Snooze, USB Charging or AAA Powered for Bedrooms Living Room

⏲️6.7" Large LED Display: This digital alarm clock with 6.7-inch large LED display, 12/24 hour format can be switched at will, allowing you to easily grasp the time, meeting your daily need..
⏲️Dual Alarm & Temperature Display:2 sets of alarm clocks are set independently, and the default snooze time is 5 minutes. In addition, it also displays the indoor temperature (-10℃-50℃) and temperature unit (℃ or ℉)..
⏲️Time Memory Function & 2 Power Supply: It supports USB power supply and AAA battery (battery not included). This alarm clock has a time memory function when using AAA batteries.
when powered by USB alone, there is no memory function after power off..
⏲️3 Display Modes: There are 3 display modes with the upgraded alarm clock: Clock mode, alarm mode, temperature mode, which is suitable for your bedroom, living room, office..
❤️Heartwarming Reminder: It is always on when USB powered, the screen will automatically turn off after 20s of battery powered, and the screen can be turned on by voice control or touch.

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