Hummingbird HD Tube 1080P HD Mini FPV Camera DVR for FMX250 QAV250 etc Compact mini size, especialy suitable for mini FPV multirotor 1080P 30FPS video, also output AV signal for datelink at the same time 120 degrees of lens angle, close to human eyes light angle Built-in3.7V 520mAh battery, the working time can be almost 1 hours and 5 minutes High-speed Min SD card supported, up to 64G