Product information:

Host size: 93*45*19mm
Remote control size: 70*32*20mm
Waterproof grade: IPX-4 grade whole machine waterproof silicone (waterproof for outdoor life)
Alarm loudness: 120dB (close-distance test data)
Remote control distance: within 1~80 meters (open and without signal interference)
Installation method: Wiring-free, back glue machine, body has a fixed port, concealed installation (free cable tie/screw/sticker)
Built-in battery: 500mAh polymer lithium battery, fully charged for about 2~3 hours