Specification: - Built-in 5.8GHz Dual diversity receiver automatically for best reception - Built-in 2CH 5.8GHz AV output and ICH AV INPUT - Built-in high performance Li-POLYMER Battery 2450mAh/7.4V - Work status OSD display 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:max 650mA at 12V - Battery charging current:850mA at12V(max) - Working temperature:-10~+65'C Features: - Built-in Dual Receiver Automatically for best reception Automatic Switching - Dual buffered AV outputs - Can receive 2 different channels at the same time - Not affect by 2.4GHz R/C Radios - AV Receiver with Diversity inputs - Small.light weightdurable - 4 Bands and total 32 Channels - Built-in batteryeasy to carry and outdoor use - A key to automatic signal searchSimple operation - Work status OSD display:Always be aware of the device working condition. Display Parameter: - Screen size: 7" - Screen type: TFT LCD Screen/long lifeLED backlight - Resolution: 800 x 480 - Brightness: 450cd/m2 - View Angle: 140/120 degree(Horizontal/Vertical)