1. Made of high-quality materials, and practical. 2. Suitable for electric bicycles, LCD monitors, connector SM heads 3. The brushless controller works quietly and is sensitive to the state of the electric vehicle. Stable performance and excellent reliability. Applicable to KT No.1 communication protocol. 4. The controller shell is made of high-quality aluminum alloy, with a concave design, good heat dissipation, and protects the internal circuit from the influence of heat load. 5. Professional manufacturing, stable performance and high reliability. Colour:Photo Color Material:metal+plastic Package Contents: 1 x controller 1 x meter 1 x finger handle 1 x sensor 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.