Made of high quality material, high strength and durable in use. Easy to install and remove without damaging the scooter, fixed firmly and reliably. Compact size and lightweight, no additional burden to the scooter. Due to different batches, the appearance, color of the product may be different, which does not affect the use. Type: 60V 50A DC Brushless Controller Dual Motor Colour:silver Material:Metal Package Contents: 2 x Brushless Controller 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.