esLife Smart Doorbell Chime Kit, No Battery Required , 2 Receivers & 1 Push Button, 58 Chimes

NO BATTERY REQUIRED – Plug-in receivers and the Spontaneous electrical transmitter eliminate the hassles of having to change disposable batteries or recharge your units

UNIVERSAL USE – Just mount the transmitter outside your door and plug the receivers in wherever you wish–no wiring required

LONGER RANGE – Up to 150 meters in the open air from the transmitter (50 meters if there are walls), provides the performance to work virtually anywhere in your home, you’ll be sure never to miss a visitor’s arrival no matter where you are

CHOOSE CHIME – Pick your favorite sound from 58 different musical chime options with just the touch of a button; Select the volume you prefer from four levels (50-80db)

EASY INSTALLATION – Simply plug the receivers into a power supply, push button can be fixed to the doorframe with screws or the attached adhesive tapes