Parameter: Screen size: 7"; Screen Type: TFT LCD Screen / long life LED Back Light; Resolution: 800 x 480; Brightness: 450cd/mz; View Angle: 140 / 120 degree horizontal / vertical; Features: Built-in 5.8GHz Dual diversity receiver automatically for best reception; Built-in high performance Li-Polymer battery: 2450mAh / 7.4V; Work status OSD display: RSSI indication battery indicator; channel indication; A key to automatic signal search; Support Chinese and English menu; Size: 180mm x 120mm x 50mm (Note: Sunshield height 28mm) Working Voltage: DC 7~16V Power consumption: 650mA @ 12V (Max.) Working temperature: -10'C~+65'C