Wireless Doorbell for Home, Hotel, Office, Hotel, Apartment, Waterproof Smart Doorbell with LED flash Black 2 transmitters, 1 receiver

• Digital circuit design, no cross-talk or false alarms, effectively avoiding trouble caused by mutual interference between neighbors • Strong penetration performance, the straight-line distance between the signal receiving space and the ground can reach 300 meters • There are five levels of volume, which can be adjusted freely. There are a total of 60 pieces of music • Easy to install, just plug it in and use it • The host can distinguish between different ons. Through different on signals, the host can emit different ringtones, making it easier to distinguish the direction of the incoming person