Door Contact Sensor. Ring alarm window and door contact sensor 2 pack 2nd gen item 2221347. These sensors can be wireless or hardwired. The alarm contact sensor easily installs in minutes without any tools or professional installation required.
Get it as soon as thu oct 8. Simply install the sensors and the magnet along the top casing or inside jamb of the door and make sure their grooves are aligned with one another when the door is closed.
Ring alarm contact sensors easily mount to any door or window frame in your home for easy diy installation.
Includes 2 alarm door window contact sensors. Door chime wireless door alarm contact sensor doobell with 500ft range 52 chimes adjustable volume mute mode led indicators 1 plug in receiver 1 door sensor for office home store. They are extremely easy to use and they can be programmed in a number of different ways. Get it as soon as thu oct 8.
