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:77x46x20mm,Receiver:90x56x20mm NOTE:The button cannot be placed on an iron door because it will interfere with the signal.
How to pair signals
1. Pairing method: Press and hold the volume button on the receiver for about 4 seconds, then immediately press the button, the signal is successfully paired.
How to solve if the work is not normal，When receiving the goods,? 1. Try pairing signals first 2. Please contact us, we will send a video to help you 3. If there is a problem with the product, we will re-send the receiver or button to you.