Small size and light weight,Low power consumption Dual antenna reception makes the signal more stable,RaceBand 40 channels, automatic search 3.0-inch 480 x 320 dots high brightness LCD screen Built-in ultra-sensitive 5.8GHz 40ch receiver, especially suitable for RaceBand Built-in 3.7V/1200mAh high-capacity lithonic polymer Product parameters Name: mini fpv goggles LCD screen: Screen size: 3.0 inches Resolution: 480 x 320 Display ratio: 16:9 Viewing angle: 6 o'clock Video delay: Video delay is less than 20ms Lens: 4x Fresnel lens, 92% parency, no light distortion Interface: Antenna: 2 inner pins USB: to charge the battery AV jack: external video signal input or internal AV signal output Language: English and Chinese Power supply: Power adapter: dc5v/1A (USB interface) Battery: 3.7v/1200mah, fully each time to restore About 2.5 hours of working time Energy consumption: The device operates at 300-330mA and 3.7-4.2V The maximum charging current of the built-in battery is 500m Material:ABS Color: As shown Package Contents: 1 x Mini FPV Goggles Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.