Feature(may vary by option.)

●Magnetically triggered - Alarm sounds when window or interior door is opened by kids elder & burglar ,Prevent any mishap.(entry alert activates when magnetic sensor separates)
●【Easy to Install】This door chime has been paired before delivery. No need for wiring or electrician installation: simply plug the receiver into the socket and tear off the double-sided adhesive from the back of the door sensor, then stick them to the door, and youre ready to go.
●【Built to Last】Upgraded eat products and 23a12v battery can make the sensor easily use 1-2 years.
●【Mute to 110dB】 13 unique long and short tones with 5 adjustable volume levels. with ring 3 time selection function(8s,16s and 12min) and can be paused at any time.
●HEART-WARMING GIFT & WARRANTY:You also can use this entry alert chime as a gift for relatives and friends to used to remind visitors, family anti-theft,etc. It has a 1-year warranty and please contact us if you have any questions for our door bells chimes , and we will serve you wholeheartedly.

[1 plug-in receiver 2 door sensors]

[1 plug-in receiver 1 door sensors]

[2 plug-in receiver 2 door sensors]

Description

Chimes Door Sensor Alarm for Office Home Store

door chime for Business/Store/Home/Office When Entering

Wireless Door Open Contact Sensor Alarm Chime

SanJie is all about making your home or business a safer and more secure environment where you and your loved ones can feel protected at all times. It uses a simple magnetic strip design that automatically alerts you when it’s separated, so you know if a certain door or window has been opened. The door notification sensor is very easy to install and requires no unique tools or technologies.