Thirdreality Zigbee Contact Sensor 2 Pack,Door And Window Monitor, Home Automation,Works With Home Assistant,Smartthings,Aeotec,

Door And Window Sensor Can Directly Work With Compatible Echo. And Its Compact Design Can Fit In Most Doors And Windows. Most Of The Doors Or Windows Have A Height Difference From The Doors' Or Windows' Frame. With The Special Design The Height Difference Can Be Reduced To Make Sure The Two Parts Of The Door Sensor Have A Stable Contact. Simply Peel Off The Protective Layer Of Double-Sided Tape And Stick The Two Parts Of The Door Sensor To The Door And The Door Frame. You Can Monitor Every Door And Windows In Your Home And Create Routines To Send Messages To Your Smartphone When The Door Or Window Is Open. You Also Can Create Routines That Are Triggered By The On/Off Status Of The Door Sensor.