FATSHARK ATTITUDE V2 250MW FPV HEADSET Headset Specifications: FOV (field of view): 35 degrees diagonal (Image size: 1.3m @ 2m) Interpupillary (IPD) distance: 59  69 mm (adjustable) Supports Optional diopter lens inserts: -2, -4, -6 dpt Image size: 38" @ 7' Audio: Stereo (requires adjustable volume earphone accessory) User Controls: Channel selection; Volume control; Mode selection (wired/wireless); Contrast/ brightness control Power supply: 7 - 13 V (2S/3S supply) Power consumption (@7.4V nominal): 300mA wireless mode; 160mA direct mode (no RX) Antennae: External dipole (RX is circular polarized compatible) Ergonomic molded headset w/ adjustable headband Secured rubber eye cups for ambient light reduction Weight: 150g Full color LCD LED backlit Kopin CyberDisplay 922,000 pixels binocular display (640 X 480 VGA) NTCS/PAL auto selecting Head Tracker: Trinity 9DOF 3-axis head tracker Battery: 7.4V 1000mAh (accessory, not included) 3.5mm AV in/out port Power in port 3.5mm stereo earphone port PS/2 DIN additional power port Operating Frequencies: 5.8 Ghz Module: 5740MHz, 5760Mhz, 5780MHz, 5800Mhz, 5820MHz, 5840Mhz, 5860Mhz Camera Specifications: Power supply: 3.5-5V (powered off TX) Power consumption: 60mA @5V) 1/3 CMOS FPV tuned light handling NTSC or PAL (selectable; jumper on = NTSC). Lens: 2.8mm IR coated; 100diagonal FOV (ideal for fixed camera) Square: 21 X 21 X 12mm Lens extrude: 15mm X 14mm diameter Weight: 15g Transmitter Specification: Power supply: 7 - 16V (2S-4S supply) Power consumption 310mA @7.4V Power out (camera): 350mA, 5V Transmitting power: 250mW Frequency: 5G8 (see above frequency chart) Antennae: External dipole (circular polarized compatible) Size: 55 X 26 X 11 mm Weight: 22g (with antenna). Combined onboard FPV components (TX, camera, filtered power adapter): Power supply: 7 - 16V (2S-4S supply) Power consumption 390mA @7.4V Powered via battery balance lead Total weight: 42g (with antenna).