SimpliSafe Entry Sensor Window and Door Protection Compatible with Home Security System

UPGRADE YOUR SIMPLISAFE SYSTEM: Compatible with your SimpliSafe Home Security System (3rd Gen). Add up to 100 accessories for customised home protection COMPACT & SLIM DESIGN: Fits on all types of doors and windows - the magnet can be placed up to 2" from the sensor SIMPLE SETUP: Ready to work right out of the box, your entry sensor comes pre-installed with batteries and adhesive. Place it on any door or window and 'add device' with your SimpliSafe Keypad STOP BURGLARS: Protect against where intruders break in most. Ground floor doors and windows. Pair with SimpliSafe Motion and Glassbreak sensors for complete peace of mind INSTANT NOTIFICATIONS & ALARM: When triggered, contact sensors send a phone notification & activates the SimpliSafe Base Siren. App features require premium subscription