Features 1、KT 7A controller is more stable and has high efficiency, low current consumption and long service life. 2、The motor controller can provide steady speed and sensitive control of braking and direction changes. 3、KT‑LCD7U 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 is made of high‑quality aluminum alloy and plastic, and durable and has a long service life. Item Type: Electric Motor Controller Kit Material: Aluminum Alloy + Plastic Product Color: As Pictures Shown Controller Box Size: Approx. 8.5x5.2x3.1cm / 3.3x2.0x1.2in Product Weight: Approx. 562g / 19.8oz Rated Current: 7A Speed Setting: 1-4.2V Maximum Current: 15±1A Package List 1 x KT 7A Controller 1 x KT-LCD7U Display Panel 1 x Display Manual 1 x Thumb Throttle 1 x Speed Assist Magnetic Point 1 x Wiring Diagram