Voltage: 36V Rated power: 1000W Compatible with: 700-1000W motor Color: Silver Material: Metal Controller wiring instructions: 1. To operate the motor, first connect the four connectors. Connect the two thicker blue and white wires from the controller to the motor. Connect the blue wire to the red motor wire, and the white wire to the black motor wire. 2. Next, connect the two red and black wires from the controller to the battery. The red wire is positive, and the black wire is negative. Then connect the speed controller to the designated terminals. (The speed controller has three wires: connect the red wire to the red terminal, the black wire to the black terminal.) Finally, connect the electric lock. After powering on, the motor will run. Note: Do not connect the power wires incorrectly, as this may cause damage. Product appearance, text, and color may vary slightly between batches, but this does not affect functionality. Package Contents: 1 x Brushed Controller Note: Light reflection and differences in display screens may cause slight variations in color between the product image and the actual item. Measurement error is +/- 1-3 cm.