Features: It is light and portable. Low power dissipation features longer operation time.Dual antennas offer stable signal.One key auto-searching is fast and accurate between 40 channels.Equipped with 3-inch 480 * 320 high brightness LCD screen.It builds in sensitive 5.8GHz 40ch receiver that is suitable for RaceBand.Built-in high-capacity 3.7V/1200mAh Li-ion polymer battery is durable.USB interface for fast and convenient charging.It supports real-time video return with short delay. Also, it supports external audio video signal input and AV signal output ( connecting to external DVR )Specification: Material: PlasticColor: BlackSize: Approx. 13.5 * 13.2 * 6.5cm / 5.3 * 5.2 * 2.6inchWeight: 413gType: RC Parts & AccessoriesScreen Size: 3inchResolution: 480 * 320Ration: 16 : 9Brightness: 350cd /square meter, Backlight LEDVideo Delay: Less-than 20msLens: Fresnel LensTransparent Rate: 92%Antenna: 2 x RP-SMA AntennaUSB Interface: Charging for BatteryAV Interface: External Video Signal Input or Internal AV Signal OutputLanguage: English and ChinesePower Adapter: DC 5V / 1ABattery: 3.7V / 1200mAhFully Charged: 2.5 HoursWorking Current: 300 - 330mAVoltage: 3.7 - 4.2VMaximum Charging Current: 500mAPackage List:1 * FPV Goggles1 * Audio Cable1 * USB Charging Cable2 * Antenna1 * English Manual.