Item name:dual servo gimbal bracket Servo working voltage:DC 4.8-5V Fan voltage:DC 5V Servo type:9G(full metal gear) Base size:76.34mm x 38.84mm Base hole installation size:adjustable (14.5-5.5mm) x 35mm Camera installation size:within 29mm x 29mm(camera base is adjustable) Can install Air Unit box within 34mmx32mmx15mm Mainstream FPV cameras and Air Unit can be installed perfectly Used for RC FPV drone airplane Servo Pin: Brown wire:5V - Red wire:5V + Yellow wire:PWM input Colour:Photo Color Material:composite materials Package Contents: 1 x Gimbal Bracket Set 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.