Item Type: Gyroscope for RC Car_x000D_ Material: Plastic + Electronic Components_x000D_ Color: As Picture Shown_x000D_ Size: Approx. 30x18x13mm/1.2x0.7x0.5in_x000D_ Weight: Approx. 8.0g/0.3oz_x000D_ Working Voltage: DC 4-6V_x000D_ Working Temperature: -10-45_x000D_ Fit for WPL D12_x000D_ How to use:_x000D_ 1. Connect the steering gear gyroscope, then turn on the transmitter and receiver_x000D_ 2. Turn on the gyroscope to keep the car still, and wait until the red LED light of the gyroscope is on._x000D_ 3. The sensitivity can be adjusted by the potentiometer on the gyroscope 1Analog and digital steering gear, suitable for for RC cars drifting drive, high performance. 2SMM system vibrating gyroscope, the steering gear can be changed (that is, the direction of the car) by it. 3Light weight, portable, take no burden on the RC car, easy to install and disassemble 4Compatible for WPL D12 remote control car, connect the steering gear gyroscope, and then turn on the transmitter and receiver. 5The sensitivity can be adjusted by the potentiometer above, simple to operate.1 xGyroscope for RC Car