ReviewsSecurity Protection Buzzer

IPX7 Waterproof Battery Monitor12v 24v 36v 48v 60v 72v ,Car Motorcycle Golf cart Battery Meter Digital Battery Capacity Remaining Capacity Percentage Tester with Buzzer Alarm and Temperature

· APPLICATION --- The battery testers can be used for testing battery voltage and capacity for electric motorcycle, motorcycle，golf cart, automotive , car, marine, RV, boat, etc..
· APPLICABLE BATTERY --- The digital battery monitor is suitable for 7-100V (12v 24v 36v 48v 60v 72v 84v) Ternary lithium battery, lead-acid AGM battery, LiFePO4 battery. Default 12 volt lead acid battery ..
· PROTECTION ---The smart battery monitor with fully colsed protective shell, dustproof ,IPX7 Waterproof ,It can be used for indoor and outdoor. input reverse connection protection..
· INSTALLATION --- The red wire for the positive and the black wire for the negative. The wires length are 15.75 inches,we also provide double-side adhensinve for conventient installing..
Buzzer Alarm&Ttemperature--- The battery monitor can set low and high voltage buzzer alarm and short press"M"key can switch voltage and temperature（Celsius)..

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Reverse Parking With Radar Beeps

4.3" TFT LCD mirror monitor with a built-in high-volume warning buzzer,no need to connect a extra buzzer. Comes with a buzzer switch to control buzzer ON/OFF..
Ultra-thin rear view mirror monitor with 400CD/M2 brightness,the brightest in the marketplace.Clip-on the existing rear view mirror..
2 channel Video inputs (Camera and DVD),automatic display rear view image when the car reverse..
High definition image quality camera and LCD monitor (640*RGB*480), wide angle backup camera..
Widely used on kinds of car and pickup which around 5 meter length. Prevent future dangerous and costly collisions.Help to increase safety for passengers, pedestrians and your family..

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Rifle Gun Safe, Large Gun Safes for Home Rifle and Pistols, Quick Access 5-6 Gun Anti-Theft & Fireproof Rifle Gun Security Cabinet with 2 Extra Handgun Pockets & Separate Lock Box (Digital Password)

...13.58"(d) x 13.4"(w), large enough to store up to 5-8 rifles with or without scopes. Separate Lock Box is safe to store bullets, money and other valuables in your home or office. 2 extra handgun bags can storage two handguns. Larger space and better structure design allows you to store more guns..
【Double Security Protection】The safe gun is made of 100% steel and tamper proof inner edge, pry-proof & anti-theft. Reliable electric locking mechanism prevents others from opening your gun cabinet without permission to ensure the safety and prevent theft. At the same time, keep guns away from children and protect their safety. Double protections provide you greater security..
【Anti Static & Alarm Design】The all-round anti-static velvet sticker design can inhibit the generation of static electricity, prevent fire and explosion caused by static electricity, and effectively prevent the failure and damage of electronic equipment. If someone enters the wrong password consecutively for three times, the lock will automatically lock for 20 seconds, and the buzzer will alarm..
【2 Quick Access Ways 】Reliable locking mechanism can prevent theft by creating its own 3-8 digit password or using the spare key to lock the electronic keyboard. For quick firearm ac....

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Premium Mini CCTV Video Recorder with Split-Screen Views + IR Remote

The 4Ch Video Color Quad Multiplexer allows several video signals from CCTV security cameras or other analog video devices to be combined and displayed on one monitor. The video processors are also commonly referred to as video mux, CCTV multiplexer, or color quad processor..
4 Channel Color Quad Multiplexer, Loopout Function, Build-In Buzzer.
Multiple Display Modes: 4 pictures, 2 pictures, 1 picture.
Video Input: 1.0Vp-p75 ohm, Tape Input/Output: 1.0Vp-p75 ohm.
Working Voltage: DC12V/1A, Environmental Temperature: -30°C-60°C.

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SUPNOVA Battery Monitor12v 24v 36v 48v 60v 72v,Car Golf cart Battery Tester Digital Battery Capacity 7-100V Voltage Monitor Capacity Percentage Tester with Buzzer Alarm and Temperature(Multicolored)

APPLICABLE BATTERY --- The digital battery monitor is suitable for 7-100V (12v 24v 36v 48v 60v 72v 84v) Ternary lithium battery, lead-acid,AGM battery, LiFePO4 battery. Default 12 volt lead acid battery ..
APPLICATION --- The battery testers can be used for testing battery voltage and capacity for electric motorcycle, motorcycle，golf cart,automotive , car, marine, RV, boat, etc..
PROTECTION ---Input reverse connection protection.The battery not waterproof and it only be used for indoor.
The product had gotten the CE certification, ,it will not be heated even which is used for a long time(The voltage must be less than 100V).
INSTALLATION --- red wire for the positive, black wire for the negative. The wires length are 39.37 inches ..
Buzzer Alarm&Temperature--- The battery monitor can set low and high voltage buzzer alarm and short press"M"key can switch voltage and temperature（Celsius)..

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Gel Heating Machine - Portable 12 x 5ml 110V PRP PPP Gel Maker Heater Plasma Bio-Filler Gel Making Instrument with Digital Display

The PRP PPP Gel Heating Machine is a best designed product controlled by the micro-processer. It can be widely used for the preservation and reaction of the samples, PRP gel making, the amplification of DNA, the pre-denaturation of the electrophoresis and so on..
It breaks through the past simple centrifugation which can process into complex gels. It is rich in high concentration platelets, and its distribution is more uniform, which will make wrinkle-removing effect faster and longer lasting..
The gel made by this insrument shows an immediate effect. Activated PRP and prepared gel are mix by using a transfer, thus creating a new form of gel. The addition of activated PRP with the gel will promote longer sustainability and the growth factors contibuting in the rejuvennation of the skin tissues..
The PPP Gels made by this machine can be used in such as wrinkle removal, optimize skin, deep anti-aging, desalination of pigmentation, safe anti-allergy and so on to achieve the best beauty results..
The PRP PPP Autologous Collagen Gel Making Machine has high precision temperature control, stable and reliable operation, real-time temperature display, time countdown display, multiple security protection, automatic fault detection and buzzer alarm function..

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NOYAFA NF-5310B Voltage Tester Multimeter Pen Screen Display Digital Voltage Detection, Buzzer Alarm, AC and DC Voltage Detector with LCD Display

【Practical Design】VA colour reverse display screen,high-definition display, The zero line of fire can be identified by itself and judged based on the display area and the buzzer sound..
【Precise measurement】NCV non-contact voltage measurement, Built-in highly sensitive voltage probe, the screen displays the signal strength..
【Easy to operate】Lighting function, The illuminating lamp, and the probe are combined into one, which is convenient for measurement and more worry-free, Data retention, Auto-shutdown function..
【Overload protection】true RMS measurement, frequency response is 50H-800Hz, DC1l000 or 700v AC peak value..
【Powerful Functions】AC voltage measurement, DC voltage measurement, Short buzzer diode, Capacitance measurement, Resistance measurement, zero live wire..

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10pcs DC 3V Active Buzzer Alarm Electromagnetic Beeper Active Piezo Buzzers Alarm Industrial Sounder 9x6mm/9x5.5mm

Type:5V Electromagnetic Active Buzzer, Material: ABS.
Rated Voltage: 5V, Operating Voltage: 4-8V, Rated Current (MAX): 30mA, Min Sound Output At 10cm: 85 dB, Resonant Frequency: 2300 +/- 300 Hz..
Uses: Active buzzer need only on the DC will beep,active buzzer internal oscillator..
High Quality: All multi-chip integrated circuits using gold wire ball bonding, complex production process, long life, stable performance, high rate of qualified products..
Package content:12pcs Electromagnetic Active Buzzer..

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4-Channel Mini Quad Video Processor with IR Remote + Multi-View Screen

Advanced 16-channel video multiplexer mixer for real-time multi-channel display on one screen. Full duplex operation for displaying and recording all of its video channels simultaneously. Ideal for security monitoring or video preview application where multiple images are needed. Split-screen modes and PIP locations can be manually configured with ease by the front panel, IR remote or RS232 console..
16 individual input buttons for fast switching between each video input. 16 video pass-through ports. 3 video outputs including 2 composite BNC/RCA video outputs and 1 VGA out at 1024x768 for live viewing and recording. 4 audio inputs with 1 audio output..
16 screen mode options presented in 16/9/8/4/3-grid, quad screen, PIP, picture-by-picture style or single channel full screen. Easy selection for main channel, sub/PIP channel via front push buttons or IR remote for best suited visual presentation. Supports RS232 long range control and camera control by RS485 connection. Supports time/date stamp and auto sequential switching function with adjustable dwelling time..
Supports programmable motion detection area and sensitivity levels for each camera/input. Flexible external alarm input/output configurations. Supports automatic video loss detection, moti....

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16-Channel RCA BNC Video Multiplexer Picture-in-Picture Generator

Advanced 16-channel video multiplexer mixer for real-time multi-channel display on one screen. Full duplex operation for displaying and recording all of its video channels simultaneously. Ideal for security monitoring or video preview application where multiple images are needed. Split-screen modes and PIP locations can be manually configured with ease by the front panel, IR remote or RS232 console. 16 individual input buttons for fast switching between each video input..
16 video pass-through ports. 3 video outputs including 2 composite BNC/RCA video outputs and 1 VGA out at 1024x768 for live viewing and recording. 4 audio inputs with 1 audio output. 16 screen mode options presented in 16/9/8/4/3-grid, quad screen, PIP, picture-by-picture style or single channel full screen. Easy selection for main channel, sub/PIP channel via front push buttons or IR remote for best suited visual presentation..
Supports RS232 long range control and camera control by RS485 connection. Supports time/date stamp and auto sequential switching function with adjustable dwelling time. Supports programmable motion detection area and sensitivity levels for each camera/input. Flexible external alarm input/output configurations. Supports automatic video loss detection, moti....

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2Pcs Game Answer Buzzer Alarm Button Box with Sound Light Party Contest Prop Toy, Trivia Quiz Got Talent Buzzer for Kids Adult

? Buzzer alarm button with light and sound tips. Increase the fun of the game, easy to use..
? Simply press the red buzzer to make it light up, it will buzz loudly..
? Actively encourage contestants to join in the competition with this buzzer. Response buzzers let competitors easily buzz when they have an answer..
? Powered by 4 x AA batteries(Not included in it). You will get a buzzer button with light and sound..
Size: app.11x9.7x12.2cm/4.33x3.82x4.8in(LxWxH).

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