Sell 1 Button 1 Receiver Black White Intelligent Home Wireless Doorbell Waterproof 300M Remote Battery UK Plug Call Ring Bell best price

Features and specifications: 1.The button supports up to 20PCS, and the receiver supports up to 100pcs. 2.The transmitter without screw chuck design to achieve waterproof and dustproof. 3.Eye-catching backlight flashes when someone pushes the doorbell. Particularly suitable for the elderly, deaf, and pregnant women. 4.Uses machine-learning to prevent interference from other wireless transmitters. 5.The transmitter USE a 23A12V alkaline battery (not include battery). 6.The receiver is available in a variety of plugs, US/EU/UK Plug and AU adapters, suitable for most countries. 7.Receiving distance:300 meters in open area 8.The wireless signal will be affected by obstacles. The more obstacles, the more serious the signal loss. 9.Receiver has 4 levels(can be mute) 0-80db,38 music to choose from. 10.Size:Transmitter:69x51x20mm,Receiver:90x61x31mm NOTE:The button cannot be placed on an iron door because it will interfere with the signal. How to pair signals: Press and hold the volume button of the receiver and the transmitter for about 8 seconds to successfully pair.