RYPFOEWBN BN-LINK wireless smart doorbell set, ultra-long distance 1000 feet, remote 58 kinds of chord ringtones + LED flash waterproof design, indoor and outdoor universal

Minimalist installation, plug and play without additional settings!The installation is completed within 1 minute, the doorbell button is fixed outside the door, the receiver is inserted into the socket and can be used, and it can be easily taken away if you rent a house and move. IP55 waterproof and dustproof, resistant to extreme temperatures, the doorbell button adopts IP55 waterproof design, without fear of rain and dust, adapts to extreme temperatures from -20°C to 60°C, and can be used stably both indoors and outdoors.The transmitter consumes ultra-low power and has a battery life of up to 3 years! Ultra-long wireless coverage of 300 meters, strong wall penetration ability of 1,000 feet (300 meters), long wireless range, stable signal penetration of walls and floors, suitable for large apartments, villas, multi-storey buildings, garages, backyards, no matter how far away, don't miss visitors! 58 kinds of ringtones + 5 levels of volume adjustment + silent mode provides 58 kinds of pleasant ringtones, 5 levels of volume adjustment (0-120dB) to meet the needs of different scenes.You can also turn on silent mode (the LED will still blink) to avoid disturbing people at night or during meetings. Memory function, power failure does not lose the settings, smart memory of the last used ringtone and volume, even after the power failure, it will be automatically restored, no need to repeat the settings, worry-free and convenient!