Energy efficient: This product adopts ultra-low power consumption technology when in standby. Compatibility: Supports multi-device connection from leading iOS, Android and Windows devices. Usage: This product has up to an 8 month standby time. Doorbell: Grab yourself a WiFi video doorbell. Features: 1280 x 720 high-definition video resolution with a 166 degree super wide-angle lens to capture quality video footage. Easy installation: No wiring for easy installation - simply connect to the built-in WiFi module and begin using. Wifi Video Doorbell | Living Social | Living Social