Product name:GOPRO3/GOPRO4CNC Metal Brushless 3-axis Head. Motor model:2206/100T brushless motor: 2, 2805/100T brushless motor: 1 Drive board:STORM32BGC Firmware version:o323bgc-release-v090 Hardware version:V130 Working voltage:3-4S (11.1-16.8V) Working current:350mA Rocker control angle:PITCH: - 25 degrees+25 degrees/ROLL: - 25 degrees+25 degrees/YAW: - 90 degrees+90 degrees. Switch control mode:lock/ Weight:180g Scope of application: series compatible cameras. Maximum load capacity:150g PWM frequency:50Hz PWM duty ratio: 20ms, high level 1ms-2ms corresponding :20ms Power connector:JST and How to install: 1 .Remove the damping ball and open the top mounting plate 2.Screw the mounting plate onto the lower part of the aircraft 3.Install the damping ball 4.Install the camera and fasten it with tape Colour:As Shown Material:pcb Size:80x80x100mm(LxWxH) Package Contents: 1 * RC Car control board 1 * RC Car sensor 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.