Waterproof Doorbell 1 2 Button 1 2 3 Receiver 300M Remote Intelligent LED Light Home Door Bell Chime

The button supports up to 20PCS, and the receiver supports up to 100pcs. The transmitter without screw chuck design to achieve waterproof and dustproof. Eye-catching backlight flashes when someone pushes the doorbell. Particularly suitable for the elderly, deaf, and pregnant women. Uses machine-learning to prevent interference from other transmitters. The transmitter USE a 23A12V alkaline battery (not include battery). 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 area The signal will be affected by obstacles. The more obstacles, the more serious the signal loss. Receiver has 4 levels(can be mute) 0-80db,38 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.
• The transmitter without screw chuck design to achieve waterproof and dustproof.
• Eye-catching backlight flashes when someone pushes the doorbell. Particularly suitable for the elderly, deaf, and pregnant women.
• Uses machine-learning to prevent interference from other transmitters.
• The transmitter USE a 23A12V alkaline battery (not include battery).