• COMPATIBILITY: Exclusively compatible with Apple HomeKit -- Ecolink ClearSky Bridge required and sold separately
• HOME SECURITY: Monitors doors and windows, trigger Chime when someone enters, trigger alarm when system is armed (Apple HomeKit compatible with required Ecolink ClearSky Bridge)
• INSTALLATION: Small size allows for installation on all types of doors and windows. Easy installation, no tools required
• HOME AUTOMATION: Trigger HomeKit automations with the status of the contact sensor
• BATTERY LIFE: Up to 8 year battery life

Shipping Note: Shipping to Alaska, Hawaii, PO Boxes, and APO addresses is not available for this item

Warranty: 90 Day Woot Limited Warranty