Specifications:Frequency: 5.8GHZFrequency range: 5333-5945 M Hz - Receiver Sensitivity: -93DBConnector of receiver: SMA-Female - Antenna impedance: 50Ohm - Audio and video: AV in/out - Video format: NTSC/PALBrightness: Adjustable - Contrast: Adjustable - Pupil Distance adjusting ...Specifications:Frequency: 5.8GHZFrequency range: 5333-5945 M Hz - Receiver Sensitivity: -93DBConnector of receiver: SMA-Female - Antenna impedance: 50Ohm - Audio and video: AV in/out - Video format: NTSC/PALBrightness: Adjustable - Contrast: Adjustable - Pupil Distance adjusting: 56-72mm - Focal length adjusting:Under 800 degree of myopia and Hyperopia 300 degrees - Eyeglass frames: astigmatism/ myopia/hyperopia(Diopter lens not included)Power input: DC 7.4V-28VMinimum voltage: 6.8VOperating temperature:-10C ~ 40CNet Weight: 208g - Weight: 340g (with modules)Package Includes:1 X EV300D goggles1 X Zipper case1 X 18650 battery case1 X Sponge2 X EVA pad2 X Eyeglass frames2 X Third party module cover2 X FPV receiver1 X Lens wiping cloth1 X User Manual - Note: Battery and Antenna Not Included - Most items dispatched using Australia Post