Specifications: Material: Aluminum Rated Voltage: 36-48V Rated-Power: 500W Package Size: 150 * 80 * 40mm / 5.9 * 3.15 * 1.57in Package Weight: 460g / 16.23ounces Note: 1.Due to the different display screen and light effect, the actual color of the item might be slightly different from the color showed on the pictures. 2.Please allow a little measuring deviation due to manual measurement. Package List: 1 * Brushless Motor Controller