Features: Easy to install and use. Support WiFi connection, Android IOS APP remote control. Support for automatic white balance, automatic gain control and automatic backlight compensation. HD 720P image quality, support night vision, camera view angle covers 170. Rainproof: Doorbell can be installed outdoors, do not worry about being drenched by rain. Support picture snapping and video recording function. Support real time video and audio chat with visitor. Ultra-low power consumption, remote active wake up, quick start. Last longer. Support cloud storage, more practical.