Features:5.0 inch LCD touch display screen， more convenient.No radiation， low power consumption， automatic power saving mode.10 pieces of music for tune setting.120 degree wide angle camera with 2 million pixel.Intelligent motion sensor for warning and record of strolling without pressing the ring.Support infrared monitoring and infrared night-vision function (within 3m).Support SIM card for remote phone call and MMS.Support TF card extension， up to 32G.Support the function of leaving recorded video or voice message to host.Outdoor mode for full security and no missing of visitor.Charging battery: charge directly via the micro USB at the bottom of the host machine or Use adapter to charge.Specifications:Screen: 5 inch LCD touch screenLanguage: English， Spanish， French， German， Portuguese， Russian， Italian， Turkish， Arabic， Farsi， Hindi， Vietnamese， Filipino， ThaiView angle: 120 DegreesDoor peephole diameter limit: 12mm ~ 60mm / 0.5in ~ 2.4inDoor thickness limit: 42mm ~ 90mm / 1.7in ~ 3.5inPower: 1400mAh Lithium cellPower source: 1400mAh， 3.5V ~ 4.5VSize of indoor control unit: 142 * 88 * 13.5mm / 5.6 * 3.5 * 0.5inWeight of indoor control unit: 147g / 5.2ozSize of outdoor control unit: 61 * 61 * 14.1mm / 2.4 * 2.4 * 0.6inWeight of outdoor control unit: 112g / 4.0ozPackage weight: 656g / 23.1ozPackage size: 19.4 * 11.3 * 7.2cm / 7.6 * 4.4 * 2.8inPacking List:1 * Indoor Control Unit1 * Outdoor Unit1 * Fixed Sheet Steel1 * Lithium Battery1 * Power Adapter1 * 3-meter-long USB Wire1 * Bag of Screws1 * User Manual (English)