Campanello senza fili impermeabile con portata di 300 metri - Nero

Ultra-long wireless transmission distance - Our doorbell has strong penetrating power, with a transmission distance of up to 300 meters in open environments. 60 pleasant ringtones - Dual alarm, with light and sound ringing simultaneously. The receiver has 60 selectable ringtones and 5-level volume adjustment. Easy installation - One-button operation, no wiring required. Battery powered - The transmitter uses a 12V 23A battery (sold separately), and the receiver can be directly connected. Wide applicability - The transmitter has an IPX4 waterproof rating, making this wireless doorbell an ideal choice for homes, villas, offices, apartments, and other locations.