Home Welcome Doorbell 300M Remote Waterproof 1 2 Button 1 2 3 Receiver 60 Chimes 5 Volume 0-110DB US EU UK Plug

The button supports up to 20PCS, and the receiver supports up to 100pcs. If multiple buttons are paired with or more receivers in the same system, each button can be set to a different ringtone. Power-off memory function: Turn the power on again after power off, no need to re-adjust and lock the ringtone. The transmitter has no screw chuck design, and it can be waterproof and dustproof without rubber ring. The transmitter USE a 23A12V alkaline battery (not included battery). Receiver voltage: 110-220V. The receiver is available in a variety of plugs, US/EU/UK Plug and AU adapters, suitable for most countries. Receiving distance:300 meters in opening area. The signal will be affected by obstacles. The more obstacles, the more serious the signal loss. Receiver has 4 levels 20-80db,36 music to choose from. Size:Transmitter 77x46x20mm,Receiver 90x56x20mm. NOTE:The button cannot be placed on an iron door because it will interfere with the signal. connect to smart phone , please install APP IP doorbell.

• The button supports up to 20PCS, and the receiver supports up to 100pcs.
• If multiple buttons are paired with or more receivers in the same system, each button can be set to a different ringtone.
• Power-off memory function: Turn the power on again after power off, no need to re-adjust and lock the ringtone.
• The transmitter has no screw chuck design, and it can be waterproof and dustproof without rubber ring.
• The transmitter USE a 23A12V alkaline battery (not included battery).