Features1KT 7A controller is more stable and has high efficiency, low current consumption and long service life. 2The motor controller can provide steady speed and sensitive control of braking and direction changes. 3KTLCD7U display panel is only applicable to KT series controllers, not applicable to other controllers, which allows you to view data intuitively. 4This controller kit is suitable for 36V/48V 250W motors and suitable for DIY electric bicycles. 5It is made of highquality aluminum alloy and plastic, and durable and has a long service life.SpecificationItem 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. 562g / 19.8ozRated Current: 7ARated Voltage: DC36V / 48VSpeed Setting: 1-4.2VLow Voltage Protection: DC30 / 400.5VMaximum Current: 151APackage List1 xKT7A Controller1 xKT-LCD7UDisplay Panel1 x Display Manual1 x Thumb Throttle1 x Speed Assist Magnetic Point1 x Wiring Diagram