SECRUI Door Chime, Door Sensor Chime with Adjustable Volume, Easy Installation, 400ft Range, 52 Chimes, M508+D7 Door Open Chime for Business/Home When Entering, Black          

Product Description

About this itemn?Easy to install?:Just plug the doorbell receiver into any standard outlet and tear the double- sided adhesive tape which on the back of door sensor( or screw mounted) and stick them to the door or window is fine,please take the insulating paper away before using the sensorn?24/7 Lifeguard for Your Family?: This child/ home door sensor alerts when burglar opens door and helps deter break-ins(entry alert chime activates when magnetic sensor separates)n?Adjustable Volume Control & 52 Chimes Options?:5 levels of adjustable volume from 0-110 dB.Offer 52 elegant music from the traditional