The Display is easy to install, with clear screen display and powerful functions Made of high intensity material, shock- and . The controller is a sine wave three-mode controller Solid metal can effectively protect internal circuit and facilitate heat dissipation. The controller has a headlight function, making it more convenient and safe to ride at night Color: Black Material: plastic + metal Package Contents: 1x Electric Bicycle Controller 1x LCD Display 1x 130x throttle Only above package content, other products are not included. Note: Light reflection and different displays may cause color of item in picture a little different from real thing. The measurement allowed error is +/- 1-3cm.