CACAZI 300M Remote Waterproof LED Indicator US EU Plug Smart Calling Wireless Doorbell

Features 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 Woman with baby 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 EU US Plug Optional 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 Specifications Brand CACAZIModel A68Product Weight 150gDimensions Transmitter 77x46x20mm Receiver 90x56x20mmPower Source AC Transmitter Power Source Battery Receiver Doorbell Type WirelessFrequency 433MHzVolume 4 levels 0 80dBMelody 38 ringtonesNote The button cannot be placed on an iron door because it will interfere with the signal How to pair signals 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 Type A 1 Receiver 2 TransmitterType B 1 Receiver 1Transmitter