Note: The battery will be changed to 18650 battery case in order to facilitate transport, and it doesn't have balance plug for DVR module, the DVR module should use another power supply, thank you for your understanding! The receiver on EV100 Goggles doesn't receive audio. But the goggles support audio input, that you can hear the audio if inputs the video to goggles. Eachine FPV Goggles Comparison: *EV100 vs EV200D vs EV300D model * EV100 EV200D EV300D Display Technology Dual 0.5" LCD Dual 1.44" LCD Dual 2.0" High-Brightness LCD Field of View (FOV) 28 30 34 Receiver System Dual Antennas Dual-Antenna Diversity Quad-Antenna True Diversity Channel Support 40CH 48CH (incl. RaceBand) 48CH (incl. RaceBand) DVR Functionality With DVR Basic Recording 720p Recording IPD Adjustment Mechanical Slider Mechanical Slider Mechanical Slider Power Solution 2S 18650 (User Provided) Built-in 1800mAh LiPo Built-in 3000mAh LiPo Weight (without battery) 221g(with battery 57g and antenna 13g) 380g 450g Best For Budget Beginners Intermediate Pilots Advanced Enthusiasts Eachine EV100 FPV Goggles Description Brand Name : Eachine Item Name : EV100 Size : 165mm*76mm*30mm Weight : 221g(with battery 57g and antenna 13g) Package Weight : 400g Display Resolution : 720*540 FOV : 28 diagonal IPD : 58-68mm Ratio : 4:3 Focal length adjusting: under 400 degree of myopia and hyporopia 150 degree Specification Frequency : 5.8G 5333Mhz-5945Mhz Sensitivity : =-93dB Antenna Impedance : 50Î Antenna Gain : 3dBi Antenna Connector : RP-SMA Video Formate : NTSC/PAL Support AV IN/OUT YES Support Focal Length/Brightness/Contrast Adjustment YES Suport Firmware Upgrading YES Power Input : 7.4V Low Voltag : 6.8V Battery : 18650 battery case Charging : USB Cable(not included) Working Temp. : -10a??-+40a?? Recommanded Parts Recorder Eachine EV100 Micro AV Recorder 1280*480 Mini DVR Module Support 32G TF, Click Here Goggles' Sponges Eachine EV100 Upgraded Soft Thin Sponge Click Here Magic Double-sided Adhesive Tape Click Here Eachine EV100 FPV Goggles Headband Elastic Band Spare, Click Here FPV VTX : Eachine TX805 VTX 5.8G 40CH 25-200-600-800mW FPV Transmitter Click Here EWRF 5.8G 48CH 100/200/400/1000mW Switchable VTX Transmitte with Small Camera Click Here Tiny FPV Camera : Eachine TX06 700TVL FOV 120 5.8Ghz 48CH 25mW Smart Audio Mini FPV Camera Click Here Battery Spare Battery Box : Click Here Eachine EV100 2S 7.4V 1000mah LiPo Battery, Click Here FPV Cable Eachine USB Type A 80cm to USB Mini-B 5 Pins Adatper Cable, Click Here Eachine EV100 HD Port to AV Convertor Transfer Module Only, Click Here Eachine EV100 HD Port to AV Convertor Module Whole Set with Cable, Click Here Eachine DC 3.5mm Jack Plug Male 1 to 3 Head RCA AV Input Output Video Cable, Click Here Package Included 1 x Eachine EV100 5.8G 72CH FPV Goggles 1 x 18650 Battery case ïOE?Battery not includedïOE? 2 x RP-SMA 3dBi Antenna 1 x User Manual