Description: LCD Display Backlight Panel (with/without USB Charge Port )and 24V-48V,36-60V Brushless Motor Speed Controller Set. The panel shows Speed display, power-assisted gear display, power indicator, fault prompt, total mileage, single mileage, headlights and single driving time display. Control/setting function: Power switch control, headlight switch control, boost control, wheel diameter setting, speed limit setting, meter sleep setting, backlight brightness setting, voltage setting. The controller made of grooved aluminum alloy shell provides good heat dissipation and high temperature resistance ability to ensure safety using.Can be used normally at -20 degree to 60 degree. Brushless motor controller allows steady speed and sensitive control of braking and direction changes. Specification: Material: ABS,Aluminum Alloy Controller Size: 8.9x5.2x3cm/3.5x2.04x1.18inch Display Meter Size: 8.8x9.4cm/3.46x3.7inch Package Includes: 1 Piece LCD Display Meter 1 Piece Motor Brushless Controller Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 1-3mm differences due to manual measurement.