Use receiver as power supply Use CH3 button of transmitter to control Suitable for:1/10 RC Crawler Car D90 Axial SCX10 TRX4 KM2 Tool Supplies: Assembly Category Upgrade Parts/Accessories: Winch RC Parts & Accs: Connectors/Wiring Use: Vehicles & Remote Control Toys Technical parameters: Value 2 Remote Control Peripherals/Devices: Receivers For Vehicle Type: Cars Four-wheel Drive : Assemblage Wheelbase: Bottom Plate colour:Black Material:metal Package Contents: 1 x RC Car Winch 1 x CH3 Control Line 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.