Three Mode Ebike Sine Wave Controller 40A 36V/48V/52V The Display is easy to install, with clear screen display and powerful functions Made of high intensity material, shock-resistant and durable. 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 for you to ride at night Color: Black Material: plastic + metal Specification: 5pin+2pin common connector Package Contents: 1x Electric Bicycle Controller 1x LCD Display 1x 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.