Description:  This WiFi doorbell can connect home WiFi and achieve a two way intercom between the doorbell and cell phone. When a visitor presses the doorbell sound is activated and the camera will start sending real time images and call to the cell phone.The user will receive the call and can check who the visitor is, can intercom with the visitor and remotely unlock the door.     Features:  1. Support WiFi.  2. Cable support TCPIP interface, can be connected.  3. Support Indoor music doorbell.  4. Movement detecting, Intrusion alarm zone.  5. Support APP Function,Can be applied Android, iphone ,ipad APP Software.  6. Support real time video and audio chat with visitor.  7. Support picture snapping and video recording function.  8. Support Night vision and built-in IRCUT technology,available day and night.  9. Shell waterproof design, IP55.  10. There relay signal output, Electronic door locks can be controlled.  11. Support visit records check.   Specification:   Wireless connection WIFI: A/B/G/N;  Camera: CMOS(1/3") 200 PIXELS;  Field of View: 140° Super Width;  Video: VGA / 720P (640*480);  Audio: Support ,Speaker and Mixer locks Achieve open function;  Movement detecting: PIR function;  LED PIR lights: Built-in 6 LED lights for night work;  Power Input: 12V;  Application Areas: Villas, Apartments, Hotels and Offices.;  Camera: 200 PIXELS Field of View: 140° Super Width.     Package Included:  1 x WIFI Doorbell,  1 x Waterproof Cover,  1 x Power adapter,  1 x Disk,  7 x Screws,  1 x Wrench.