CACAZI Smart Self-powered Outdoor Wireless Doorbell Waterproof Smart Home Door Bell Chime Kit LED Flash Security Alarm 5 levels

Hign-concerned Chemical None. Power Source Self-powered. Model Number FA78 new with light. Doorbell Type WireLess. Brand Name CACAZI. Origin Mainland China. Certification CE, FCC, RoHS. Type Doorbells. Product Feature. Self powered transmitter. Instead of using a battery, the button converts kinetic energy into electrical energy and sends a signal when pressed, Don't worry if the battery has power, so don't miss important visitors. Power off memory function and anti-interference function. We use a new digital circuit device, after the power is turned off, remember the music set before, no need to set music again, Neighbors doorbells don't interfere with our doorbells. Volume and music. 5 volume levels 0-110db, 60 ringtones. 150 meters receiving distance. Waterproof Transmitter. The Transmitter can work normally in snow or high temperature environment, waterproof and dust-proof. You can use 6 buttons outside the door at the same time, indoor receivers can use multiple receivers at the s