1KT 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. Item Type: Electric Motor Controller Kit Material: Aluminum Alloy + Plastic Product Color: As Pictures ShownController Box Size: Approx. 8.5x5.2x3.1cm / 3.3x2.0x1.2in Product Weight: Approx. 562g / 19.8oz Rated Current: 7A Rated Voltage: DC36V / 48V Speed Setting: 1-4.2V Low Voltage Protection: DC30 / 400.5V Maximum Current: 151A 1 xKT7A Controller 1 xKT-LCD7UDisplay Panel 1 x Display Manual 1 x Thumb Throttle 1 x Speed Assist Magnetic Point 1 x Wiring Diagram