1. Withthe aluminum substrate scheme, the Moss tube is laid on the aluminum substrate and then placed on the PCB board 2. High efficiency, low temperature rise, small running current 3. With self-learning function, excellent commonality 4. Suitable for electric bike, scooter, motorcycle, tricycle, kart, ATV The app compatible with Android and With flux weakening function Controller Type:Motorcycle Controller Model Number:ND72240 Max. Bus Current:70A Max. Phase Current:240A Temp Sensor:KTY83-122 Working Voltage:72V Protect Phase Current Compatible Motor Power:2000-3000W Colour:Black Material:Metal Package Contents: 1 x ND72240 sine wave motor controller 1 x Bluetooth Adapter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.