CACAZI 1 Receiver 1 Transmitter EU Plug 300M Remote Home Waterproof LED Indicator Wireless Smart Digital AC Electronic D

Description 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 etc 4 Uses machine learning to prevent interference from other wireless transmitters 5 The transmitter USE a 23A12V alkaline battery not include battery 6 Receiving distance 300 meters in open area 7 Volume 4 levels 20 80db 8 Melody 38 pcs Specification Brand CACAZIModel A68Weight 300gDimensions Transmitter 76x43x22mm Receiver 90x55x25mmColor Black WhitePackageIncluded 1 Transmitter1 Receivers2 Double sided tapes2 Screw