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 LCD5 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. It uses highquality aluminum alloy and plastic and is durable and has a long service life.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. 565g / 19.9ozRated Current: 7ARated Voltage: DC36V / 48VSpeed Setting: 1-4.2VLow Voltage Protection: DC30 / 400.5VMaximum Current: 151A.Package List:1 x KT 7A Controller1 x KTLCD5 Display Panel1 x Display Manual 1 x Thumb Throttle 1 x Speed Assist Magnetic Point1 x Wiring Diagram