Wireless DoorBell 200M Range LED Light Self-Powered Waterproof Cordless Smart Home Door Bell 5 Levels Volume Ringtones H

Color:Black/White Operating range:300M(open area) Volume:5 levels(0-80dB) Ringtones:60 pcs The receiver voltage: 110-220V Receiver Plug Type: EU/UK/US plug AU adapter Features: 300 meter receiving distance (In the open area),Stable quality is ideal for villas, hotels, schools and other areas. Wireless doorbell is a transmitter self-powered doorbell, without any battery,just plug the receiver into an electrical outlet,the push button transmitter can be stick it to the door with provided adhesive tapes. The button cannot be placed on an iron door because it will interfere with the signal. 5 Levels of volume IP44 Waterproof 60 Ringtones. The default ringtone is “Ding-Dong”. Low power consumption The transmitter needs 12V23A batteries to work (excluding batteries). A normal battery can last about a year.（type 1） The transmitter will convert the pressing force into electricity, so it doesn't need any power supply. （type 2）