The motor brushless controller drives motor more smoothly and makes riding more comfortable. The display panel will provide more convenient for your during riding!<br/>Features:<br />The brushless controller provides steady speed and sensitive control of braking and direction changes.<br />Aluminum alloy controller shell can protect the inner circuit due to good heat dissipation feature to avoid thermal overloading.<br />Display panel shows the battery power and 3 PAS gear level.Also easily do several button operation for headlight control,PAS gear level and 6km/h electric control.<br />With a mount on the back of display panel for easy installation,suitable for most handlebars. Fits for electric bicycles and electric scooters.<br/>Specification:<br />Package size: 21 * 11 * 5.5 cm / 8.3 * 4.3 * 2.2 in<br />Package weight: approx. 344.5 g / 12.1 oz<br/>Display Panel:<br />Voltage: 24V / 36V / 48V (optional)<br />Material: Plastic<br />Size: 8.1 * 4.2 * 4.9 cm / 3.2 * 1.7 * 1.9 in<br />Weight: approx. 86 g / 3.0 oz<br/>Brushless Controller:<br />Power: 250W/350W<br />Voltage: 36-48V<br />Current: 13A<br />Lower voltage: DC 30V/42V<br />Suitable motor phrase angle: 120°/ 60°<br />Material: Aluminum alloy<br />Size: 9 * 5.2 * 3 cm / 3.5 * 2.0 * 1.2 in<br />Weight: approx. 191.4 g / 6.8 oz<br/>Package List:<br />1* Brushless Controller<br />1* Display Panel<br/>NOTE: No waterproof function for brushless controller and display panel,please do no soak into water for long time especially on a rainy day.<br />