Features: 
Remote control switch, convenient and simple to use. 
Use high-quality ABS material, generous and durable to use.
Alarm volume is up to 130 dB, making the thieves run away.
Easy to install. Easily mount to windows or doors with included double sides adhesive tape, no tools required.
Applicable to doors, windows, cabinets, safes, families, shops, businesses and other anti-theft alarm places.

Specifications: 
Transmitting frequency: 433.92 MHz 
Ambient humidity < 90% 
Working Humidity: - 10-60 ℃ 
Sound pressure: about 130 dB 
Remote control distance: ≥ 15m (open area) 
Gate magnetic induction range: > 15mm (no magnetic interference) 
Standby time of gate magnet: about one year 
Remote Standby Time: Over 1 Year 

Package List: 
1 * Alarm (Battery Not Included) 
1 * Remote Control 
1 * User Manual