Feature:1. KT 7A controller is more stable and has high efficiency, low current consumption and long service life.2. The brushless motor controller can provide steady speed and sensitive control of braking and direction changes.3. KT‑LCD8H display panel is only applicable to KT series controllers, not applicable to other controllers, which allows you to view data intuitively.4. This controller kit is suitable for 36V/48V 250W motors and suitable for DIY electric bicycles.5. Made of high‑quality aluminum alloy and plastic, it 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. 8.5x5.2x3.1cm / 3.3x2.0x1.2inProduct Weight: Approx. 695g / 24.5ozRated Current: 7ARated Voltage: DC36V / 48VSpeed Setting: 1-4.2VLow Voltage Protection: DC30 / 40±0.5VMaximum Current: 15±1A Package List:1 x KT 7A Controller1 x KT-LCD8H Ddisplay1 x Display Mounting Fasteners4 x Accessories 2 x Screw1 x Display Manual 1 x Thumb Throttle 1 x Speed Assist Magnetic Point1 x Wiring Diagram