Gain the peace of mind knowing that you'll be alerted when the back door sneaks ajar or the side window slides open, activate lights, and always be on top of your home's security. Useful for anything else that opens, with the Insteon Hub, you know the exact state of your home's situation, at home or away, day or night.
•Includes 4 of the 2843-222 Insteon Wireless Open/Close Sensors
•Excellent range - up to 150' from nearest Access Point or any dual-band device
•Link with other Insteon devices to be alerted when a door or window is opened
•Battery-operated for easy installation