Made of high intensity , shock-resistant and durable. Intelligent design provides steady speed and control of and direction changes. Solid metal can effectively protect the internal circuit and facilitate heat dissipation. EN06 LCD display instrument with USB interface can better apply to types of electric bicycles. The controller is a sine wave three-mode controller, matched with Hall brushless motor with self-learning function. Type: Display TYPE 1: EN06 Electric Bike LCD Display TYPE 2: Electric Bike LCD Display Panel TYPE 3: 24V 36V 48V LCD Display color:As shown :composite Package Contents: 1 x 17A controller 1 x KT-BZ-8 booster 1 x EN06 Display 1 x TT090 throttle finger dial 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.