Features： 1、Aluminum Shell: Controller outer shell is aluminum alloy material with grooves design, able to protect the internal circuitry from thermal overload. 2、Easy to Use: Our electric bicycle brushless motor controller is easy to install and use, LCD display panel is suitable for 22.2mm/0.9in handlebars. 3、Sensitive Controller: Brushless controller can provide steady speed and sensitive control of braking and directional changes, suitable for daily use. 4、Colorful Display: LCD display panel has the function of support colorful displaying, that you can clear about the date with a glance, making the riding safer and easier. 5、Package Content: Main accessories of the electric bicycle conversion kit are 48/60V 350W common controller and a 930 LCD display panel with color screen. Specification： Item Type: Bike Controller with LCD Material: Aluminum Alloy Product Size: Controller Box: Approx.9x5.3x3cm/3.5x2.1x1.2in Weight: Approx.354g/12.5oz Voltage: Universal for DC 48/60V Power: 350W Low Voltage: DC 42/53V Current Limiting: 13A Package List： 1 x Controller 1 x LCD Panel 1 x Manual