1). All the raw materials are imported, using high-performance Moss tube 2). With the aluminum substrate scheme, the Moss tube is laid on the aluminum substrate and then placed on the PCB board 3). Small in size 4). High efficiency, low temperature rise, small running current 5). With self-learning function, excellent commonality 6). The app compatible with Android and Apple 7). With flux weakening function.(The product does not contain magnetism) Colour:blue Material:plastic Package Contents: 1 x ND72450 Electric Motorcycle 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.