1For KT Controller Performance: For KT controller has the performance of more stability, high efficiency, low current consumption, long service life. 2For KT LED900S Display Panel: The for KT LED900S display panel used by the for KT series controller applies only to the for KT series controller. 3Current and Voltage: Rated current 8A, rated voltage DC 36V 48V universal, low voltage protection DC 30/400.5V, maximum current 171A. 4Application: Suitable for 36V 48V 350W motors, suitable for DIY electric bicycles series, with high performance. 5Package List: Including 1 x controller, 1 x LED900S display panel, 1 x LED900S display panel manual, 1 x thumb throttle, 1 x power pedal assist sensor, 1 x wiring diagram. Item Type: for KT Controller Kit Material: Aluminum Alloy and Plastic Color: As Pictures Shown Weight: Approx. 571g/20.1oz Rated Current: 8A Rated Voltage: DC36V / 48V Universal Speed Setting: 1-4.2V Low Voltage Protection: DC30 / 400.5V Maximum Current: 171A Controller Box Size: Approx. 9.4x6.1x3.5cm/3.7x2.4x1.4in 1 x Controller 1 x LED900S Display Panel 1 x LED900S Display PanelManual 1 x Thumb Throttle 1 x Power Pedal Assist Sensor 1 x Wiring Diagram