how to make a smoke detector

Wifi Hidden Camera Long Lasting Battery Night Vision On the front of the unit, there’s a set of vents, which both look realistic and ma...

... Sensor Home Security Alarm System App Control Fire Alarm Features: 1.thermistor sensor / photoelectric infrared LED 2.smog sen...

... are designed to provide reliable detection in a variety of environments, with a work environment range of -10℃ to 50℃. This ...

... Ultra Thin Operated Fire Alarm Sensor ULTRA SLIM: The alarm adopts photoelectric technology to detect . More sen...

...pulse signal with sound and light while there is . And output several point signal or wireless signal for gathering till the is gone. Wh...

Products Features: 1. Wide operating voltage range, big monitoring areas. 2. Combination of the emitting and receiving part makes mounting easy and op...

... not install well) exact concentration & alarm consistency:All will calibrating consistency, sure no fake alarm with less or too...

... not install well) exact concentration & alarm consistency : All will calibrating consistency, sure no fake alarm with less or ...

More details about household safety products please click here. Our Services We provide 1 month replacement and 12 months maintenance warranties; For ...

... Alarm Ensure Your Family′s Safety Product Introduction JTY-GF-YB030, Smart alarm your family /office/apartment/blocks saf...

...security under control. Features 1. Sound & Light Alarm The alarms would indicated by sound & light as other common . 2. Remote Mobi...

... +55°C. It is equipped with heat and for improved fire detection and prevention. FM200 Fire Suppression System has a capacity rangi...

...wide bandwidth at low quiescent current, them suitable for a broad range of battery-powered applications such as portable medical instrument...

STAMPING PARTS BY CUSTOMIZED MOLD Product Description Product name shell Materials Stainless steel sheet coil stock Thickness 0....