Feature 3.5 Inch High Definition TFT LCD Screen  Fully DVB-T2 DVB-C, MPEG-2/MPEG4 compliant Support newest video encoding format Digital meter for signal strength and quality Supports scan of Auto, Manual Sound and Light Alarm of Locking Signal Speaker Integrated Support both AV out and AV in, support HDMI out ANT short protect 7.4/3000mAh Li-lon Battery Included Support DC12V output Software upgrade via USB port Easy to carry Specifications Transmission Standards             Connector Type    Female Type        Input Frequency    48 to 862 MHz        Signal Input Level    -79.5dBm(MAX)        ANT Supply    12V,18V,24V Imax 100mA        Demodulation    QPSK,16QAM,64QAM,256QAM     LCD Features             LCD Type    TFT Transmissive        Number of Dots    480(RGB)x272        Active area(WxH)    70.02x52.58mm2     AV output interface             Connector Type    3.5 mm jack        Video Output    CVBS        Audio Output    Stereo Audio L/R output     HD output connector             Format    HD 1.3a     AV input interface             Connector Type    3.5 mm jack        Video Input    CVBS        Audio Input    Stereo Audio L/R output     Audio/Video Processing             Video decompression    MPEG-2 MP @  HL,MPEG-1 Decod-ing,MPEG-4 ASP @ L5 HD resolution, H.2564 MP&HP @ L4,HW JPEG decoding        Resolving rate    PAL-25 frame @ 720x576,ntsc-30 frame @ 720*480        Signal compatibility    Support conversion for different video formats        Video Format    4:3,16:9,By pan & Scan and Letter Box conversion        Audio Decompression    MPEG-1 Layer I/II,MPEG-2 Layer I/II        Audio Output Mode    Stereo,Mono,R/L     DATA Service Port             Connector    USB        Data Protocol    USB2.0 interface        File Management System    NTFS,FAT32,FAT16        File Format    wma,mp3,mp4,avimjpg,jpeg,bmp,img     Power Supply             Li-lon Battery    7.