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 the internal circuit and facilitate heat dissipation. The controller has a headlight function, making it more convenient and safe to ride at night Colour:Black & Silver Material:Plastic+Metal Package Contents: 1 x Electric Bicycle Controller 1 x LCD Display 1 x One-to-five-wire 1 x 130x throttle 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.