Item name:dual servo gimbal bracket Working voltage:DC 4.8-5V Camera installation size:within 29mm x 29mm Base installation size:adjustable (29-43mm) x 23mm Height:63mm Plug type:standard 2.54mm 3P servo plug Servo type:9G(full metal gear) Connecting the aircraft model remote controller receiver requires 2 channels Used for RC FPV drone airplane Servo Pin: Brown wire:5V - Red wire:5V + Yellow wire:PWM input(typical value 50Hz 1000-2000us) Colour:silver Material:Metal type:A: with Package Contents: 1 x Gimbal Bracket 2 x servo 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. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.