Water(Liquid) leak alarm system is system that do to minimize the second damage by it confirming water or conductibility liquid existence and nonexistence quickly.
Specialized in Liquid Leak Detection...
This system prevents youth and kids from smoking by using a PLC (Power Line Communication)
modem to communicate between a teacher's room or classroom PC and places where youth and kids
smoke such as restrooms or storerooms.
Water proof and dual use;
Compact and light weight;
High sensitivity and sound pressure;
Less power consumption;
Dimension: diameter: 25mm, Height: 11mm
GRI 8313 Portable Ozone（O3）Gas Detector
GRI-8313 Portable O3 gas analyzer is a hand-held instrument which can continually test O3.This product is applicable to environmental monitoring, industrial...
Unique Selling Point
1. Do roller shutter change from manual type to automatic type,without any electrical
2. Provide stronger ability of anti-theft or against strong breeze,which is double hook design
3. No minimum...
* Dual LEDs for 360-degree visibility
* Stainless steel inner housing for high ANTI-RFI
* Two or four wire models optional * Sleek, low-profile housing design * Low power consumption, high precision and stability *...
1. MUC control, high sensitivity 2. Detecting white smoke and black smoke(others' are always couldn't detecting black smoke), high accuracy 3. Shield cover, Protecting inner parts, high anti-white light...
Full HD WDR Zoom IP CCTV Camera With CCD Sensor , ONVIF , Waterproof IP66 , 800TVL
1.HD 1.3 Mega pixels CCD image sensor
2.Support alarm function
3.6-INCH HD IP dome camera
FULL HD high speed megapixel...
china Fire-alarm security system ,alarm Photoelectric Smoke detector/gas sensor/heat Detector, Fire alarm sensor,leak detector,gas leak detector,smoke detector and carbon monoxide detector MD-2988 China alarm security...
DG313 Battery Powered Photoelectric Smoke Alarm with excellent stability and high-sensitivity.
Key Specifications/Special Features
Power Source: 9V Battery (included).
Audio Alarm: ≥ 85dB/3m
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