Item name: HMDVR-S DVR Video Audio Recorder for Micro FPV Multicopters
Brand name:Happymodel
POWER SUPPLY:  5.0v （3.6V－5.5V）
Size:29mm*22mm*9mm
Weight:5g
Current Consumption: Max 260mA.
Operating Temperature: -10~+65 ºC
Video  Output  Size: VGA (640×480) 
Light  frequency: 50HZ/60HZ
TF Card support: Max.32G
Interface: JST SH1.0 or 1.25 pin headers
Compress Format: MJPEG
Records the picture frame rate: 30Frames
Audio input:  support Mic-phone input
Short touch the button to Start/Stop Video recorder