Infrared diodes are placed in the special chamber.The chamber can shield external light, but don't affect the smoke into it Wireless alarm devices with high reliability  based om Zigbee standard design,they can be used for smart home to detect smog density in the air and...

Vstar security first class wireless smoke detector, play a good protection for your home, prevent your home with fire disaster. Wireless alarm devices with high reliability  based om Zigbee standard design,they can be used for smart home to detect smog density in the air and...

Standalone smoke detector detects the smoke by couple infrared diodes. Dustproof, mothproof and anti outside light interferece. Wireless alarm devices with high reliability  based om Zigbee standard design,they can be used for smart home,shop, hotel, restaurant, office...

Wireless Smoke Detectors is widely used in professional security & protection alarm system and matched with master unit. This wireless smoke detector will alert you the moment the presence of smoke is observed. Running on an included 9v battery, this device is the perfect...

Wireless alarm devices based on Zigbee standard design,with high reliability,they can be used for smart home to detect smog. Wireless alarm devices with high reliability  based om Zigbee standard design,they can be used for smart home to detect smog density in the air and...