Yale AC DC Door/Window sensor Wireless White

SYNC ALARM ACCESSORY: The Door/Window Contact is easy to pair with your Yale Sync Smart Home Alarm through the Yale Alarm App. TAMPER PROOF SECURITY: Secures any door or window, the main access points to your home, triggering your alarm & notifying you in real-time when a door or window is opened. INSTANT NOTIFICATIONS: Get notifications to your Yale Alarm app if a contact is disturbed in your home while the alarm is armed. EASY TO SET UP & INSTALL: Link to your Yale Sync Smart Home Alarm straight out of the box. Completely wire-free, with no need for cables running through your home. You can attach to any surface, either via a screw or sticky-back for greater convenience. EXPANDABLE SYSTEM: Extend & customise your Yale Sync Alarm, by adding up to 40 accessories., Weight: 0.1543235834 pounds, Manufacturer: Yale