This display adopts good quality materials, lightweight, rainproof, sturdy and durable. The controller is brushless type, working silently and to the state of electric bike. High temperature resistance, easy installation and safe use. LCD display can clearly show the state and data, backlight enables you to see scree clearly in environment, buttons for quick operation, easy to use. Suitable for electric bicycles, . : ABS+Metal Color as shown model: 36-60V Package Contents: 1 x Controller 1 x LCD Display 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.