Aloici Smart Wireless Doorbell Waterproof Chime Kit

NEVER A BATTER FOR PUSH BUTTON AND RECEIVER : When the button is pressed, it converts kinetic energy into an electrical signal to ring your wireless doorbells. So no more worrying your push button runs out of batteries and no more hassle in buying awkward weird batteries to run your push button.
EASY INSTALLATION: Aloici latest upgrade 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 fixed to the front door with the provided screws,or stick it to the door with provided adhesive tapes
1000 FT LONG-RANGE REMOTE CONTROL: Operating range up to 1000ft in open area that will not interfere your other devices or neighborhood; Flashing light with audio alert LED indicators make sure you do not miss every visitor.
58 CHIMES TO CHOOSE FROM: There are 58 different ring tones with 4 levels of adjustable volume from 50db to 80db; Press one or the previous button to easily select 58 melodies.
MEMORY FUNCTION: Remembers your last melody and volume level after a power outage, Convenient design to enhance user experience. Includes: 1 plug-in receiver, 1 remote waterproof transmitter, 2x screws, 2x screw-joint coupling, 2x double-sided tapes and user’s manual.