Fanvil I66 Outdoor Video Door Phone,Face Recognition Door Phone, Audio/Video Intercom,4-inch IPS Color Screen Features & Specifications: 4 inch 800×480 pixel colour screen High protection level of IP66 and IK07 Wide temperatire range from -40℃ to 70℃ Door Entry with face recognition, RFID card, password and remote door opening Built-in 2 Mega-pixel wide angle camera Built-in 3 short circuit input ports and 2 short circuit output ports Compatible with ONVIF protocol Screen: 4-inch 480 x 800 Color LCD Operating System: Linux Panel: Aluminum Alloy Camera: 2 Mega-pixel Key: Numeric keypad with blue backlight RF Card Reader: 125KHz & 13.56MHz Light Sensor: Yes Speaker: Dual Speaker 4Ω/ 3W Power Supply: 12V-1.5A/PoE Storage- Card Capacity: 10000 Short Circuit Input: 3 Short Circuit Output: 2 Wiegand Port: Yes Protection Level: IP66 & IK07 Working Temperature: -40℃~ 70℃ Working Humidity: 10~90%