Camvtech Usa &ldquo;Ambassador Hybrid" 4 Channel AHD CCTV Surveillance Video Security Support 4chx960H or 4x720P or &rdquo; Ip&rdquo; 4x720h Nvr. This DVR Has Been Equipped with Completely New Features. Innovative Qr-code Scan Connectivity Allows You to Quickly and Easily Connect to Your Smartphone, Tablet, Motion Detect. Preset System From Our It Team. Call Us for Help If Need It. Itgvc.com 1. AHD Analog High Definition , Support 4 modes: 4CH * 960H palyback 4xD1(Analog Cameras ) / 4CH * 720P playback 4x720H(AHD Cameras) / 2CH * 960H + 2CH 720P(AHD) / OR 4CH * 720P (IP Camera), NO hard drive. 2. 960H Recording High Resolution Realtime DVR,with HDMI 1080P Output,provides superior images than D1 and CIF. HDMI JACK Built-in HDMI video-out jack allows users to view cameras on high resolution TV up to 1920 x 1080. 3. Support 3G & WIFI extension. Size: L=11-H=3 W=9 Inch ...Weight 2.5 KG 4. Support pre-alarm recording (before 10 sec),not lose any suspicious screen. 5. Support all kinds of mobile monitor (iPhone, Windows Mobile, BlackBerry, Symbian, Android)