Campainha Inteligente Sem Fio para Porta de Entrada, Campainha de Boas-Vindas para Casa, Alcance de 150M/82Hz, Controle Remoto FM, Alimentação Própria, Sem Necessidade de Bateria, Plugue EUA/UE.

Wireless doorbell home welcome doorbell, self-generating button, no batteries required, 1) Long-distance signal reception:strong penetrating performance, the receiving distance can reach 150 meters in a straight line on the open ground 2) 60 pieces of music: 60 pieces of polyphonic music can be switched freely. The sound quality is mellow, melodious and melodious. When the doorbell button is pressed, the receiver will ring and flash. 3) 5 levels of volume: The doorbell has five levels of volume, which can be adjusted freely. (Volume is adjustable, adjustable only flash light) 4) Easy installation: The buttons can be fixed with double-sided stickers or screws, and the bell can be used after being plugged into the socket. 5)Plug and play: EU/US plug optional 6) Press the transmitter to generate electricity: Press your finger to generate electricity without the need for batteries. When you press your finger, the kinetic energy is converted into electrical energy and transmits wireless signals. You no longer need to worry about changing the battery of the doorbell. 7) Music distinction function:Through different button signals, the receiver emits different ringtones to facilitate distinguishing the direction of the incoming person. Working Principle: The transmitter is installed outside the door, and the receiver is installed on the power socket. Press the transmitter to ring the bell, and the receiver will ring and flash as a reminder. Product Parameters: Product name: Self-generating wireless doorbell Music: 60 pieces of music Volume: 5 levels of volume (can be adjusted to flash only) Transmitter: No batteries required, press to generate electricity Receiver: lights up when the bell rings Transmitter size:74mm*40mm*20.3mm Receiver voltage: Plug in the power supply (AC110V/220V) Receiver size:90mm*56mm*20mm Remote control distance: 15OM in a straight line on open ground (data comes from factory laboratory) Note: The actual received signal depends on the environment, and the signals are different due to different obstacles. Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement.