Waterproof level: IP65
Operating radius & stronger signal: works within 300 meters long space open, the signal from this bell penetrates obstacles very well. You can use the receiver wherever you like in your home. No problem with wireless interference.
Power-off memory: power-off continuous network anti-disassembly alarm settings Easy installation: 3M sticker installation
Battery-powered: ultra-long battery life 5-speed music settings: meet the volume needs of different occasions 38 ringtones are freely selected: can be used as room classification settings Power supply: 110/220VAC backup battery: 3.7V/500mAh lithium battery
Working current: <100mA
Wireless frequency: 433MHz
Working temperature: -10~55
What's in the box
1 x Doorbell
1 x Install stickers
1 x Instructions for use
