Feature: ELECTIRC BRUSHLESS CONTROLLER:Power Supply Voltage:24V; 36V; 48V;Controller Power: 250W/350W. ADJUSTABLE LED PANEL: LED display can clearly show the battery capacity, several buttons for quick operation of speed adjustment and headlight, easy to use. EASY TO INSTALL:With a mount on the back of LED display for easy installation, suitable for most handlebars. SENSITIVE CONTROL:The brushless motor controller can provide steady speed and sensitive control of braking and direction changes. WIDE APPLICATION:This electric bicycle brushless motor controller is perfect accessory for electric bike, bike,etc. Bringing you a more comfortable riding experience. Specification: Material: Plastic + Metal Color: Shown as picture Options: 24V; 36V; 48V Power: 250W/350W Automatic Cruise: 6KM/H (press the MODE button) Speed Mode: 40%; 70% 100% Controller Size: Approx. 9 x 5.2 x 3.2cm / 3.54 x 2.04 x 1.26inch Display Size: Approx. 8 x 4.2 X 1.5cm / 3.14 x 1.65 x 0.59inch Weight: Approx. 308g Package List: 1 x LED Display 1 x Controller