CFZ CACAZI A29 Wireless Doorbell Self-Powered Waterproof Button 300M Remote Control Led Light Household

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 Rated : AC 110-220V, 50-60Hz 300 meters receiving distance Waterproof Transmitter: The Transmitter can work normally in snow or high temperature environment. Waterproof and dustproof. You can use 6 buttons outside the door at the same time. Indoor receivers can use multiple receivers at the same time; A variety of combinations to meet your needs. Multiple buttons distinguish between different ringtones: With two or more buttons it is possible to set up different ringtones on receiver to distinguish customers visiting from different places. Receiver parameters Rated : AC 110~220V ,50-60Hz Working frequency:433MHz Available in a variety of plugs US/EU/UK Plug and AU adapters suitable for most countries.