Network protocol: WiFi. Product benefits: Notification of contact status change. Monitors the history of contact status. Easy control of compatible SMART+ WiFi products based on contact status. Areas of application: For indoor use only. Equipment / Accessories: For control via LEDVANCE SMART+ WiFi App, a smart phone or Tablet PC is required (with minimum Android 4.4 or iOS 9.0). Rechargeable battery integrated. Charging cable and installation kit included