Wireless Smoke Detector
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 alert system for any home. Don't worry about wires or complicated set-up procedures. Simply insert the battery, mount the device to any surface, and forget any concerns you have about fire safety.
10.Dustproof, mothproof and anti-white light;11.Low power indication;12.315MHz or 433MHz are available;
Wireless Smoke Detector