Wireless Doorbell Plug in Waterproof Doorbell 2 Receivers and 1 Transmitter for Home Office Hotel Dormitory

AC doorbell, the receiver (indoor unit) using household power, plug directly into the socket, no battery, environmentally friendly and convenient! The transmitter (outdoor unit) uses a battery for about one year.Wireless doorbell super reception, suitable for home, office building, hotel, building, dormitory, factory, construction site, etc.A range using the same door bell, will not interfere with each other! Using wireless high-frequency transmitting technology, the same frequency and different code, effectively avoiding mutual interference between neighbors and the trouble caused by misfiring.Warmly remind: this product is open without obstacles straight line remote control distance by strict testing not less than 300 meters. Can meet the needs of different family environments, general family isolated security doors and a few walls are no problem.Product features.Anti-interference will not appear crosstalkReceiver intelligent flashing light Long-distance wireless reception signalAdjustable volume and music installation is simple and easy to use (default ding dong ding dong) 3 adjustable volume 38 music optionalProduct Details.Working range: 300MMusic selection: 38 music (default ding dong ding dong)Volume selection: 3 levels of volumePower supply voltage: receiver support AC 100-240VAC doorbell: transmitter with a 12V23A battery, receiver plugged directly into the power • Anti-interference: wireless doorbell digital circuit design, a series of use of the same doorbell, will not interfere with each other, the same frequency heterodyne, effectively avoid mutual interference between neighbours and neighbours. • Anti-interference: Wireless doorbell digital circuit design, the same doorbell is used in series, will not interfere with each other, the same frequency heterodyne, effectively avoid mutual interference between neighbors. • Waterproof design: The Door bell adopts waterproof design, meets IP44 waterproof standard, prevents rainwater intrusion, effectively prolongs the service life of the product, and is not affected by the weather when used outdoors. • Easy to install: The wireless doorbell can be set up without any wiring or experience, the receiver is installed indoors, it can be plugged in, press a on, and the doorbell will ring indoors. • Suitable for any occasion: Waterproof doorbells are suitable for any home, apartment, office, school, hospital, hotel. Whether you're in your bedroom or kitchen, our wireless doorbell kit can alert you that someone rings the doorbell outside.