Feature:1. Controller: KT 17A controller is more stable and has high efficiency, low current consumption and long service life.2. Display Panel: KT LCD5 display panel is only applicable to KT series controllers, not applicable to other controllers.3. Steady and Sensitive Control: This controller set allows steady and sensitive speed control of braking and direction changes.4. Application: This controller kit has high performance and is suitable for 36V/48V 350W motors and suitable for DIY electric bicycles.5. Material: Using high quality aluminum alloy and plastic, the electric motor controller kit is durable and has a long service life.How to Use:The interface on the controller can be connected to the socket of the accessory to realize the function. For details, please refer to the wiring diagram.Specification:Item Type: Electric Motor Controller KitMaterial: Aluminum Alloy + PlasticProduct Color: As Pictures Shown Controller Box Size: Approx. 9.4x6.1x3.5cm / 3.7x2.4x1.4inProduct Weight: Approx. 590g / 20.8ozRated Current: 8ARated Voltage: DC 36V / 48V universalSpeed Setting: 1-4.2VLow Voltage Protection: DC30 / 40±0.5VMaximum Current: 17±1A Package List:1 x KT 17A Controller1 x KT LCD5 Display Panel1 x Display Panel Manual 1 x Thumb Throttle 1 x Power Assist Magnetic Point 1 x Wiring Diagram