Function: 1 Self-Identifying Voltage Smooth start without holes. 2. Whether or not a hole is automatic identification. 3 For motor short circuit, open circuit, hole, power protection 4 32-bit single chip microcomputer Learning faster and more efficient. 5 The drive motor starts smoother and moves more comfortable. Specifications: Condition: 100% Brand New Item Type: Electric Scooter Controller Material: Aluminum Color: Approx 16x8.8x4.8cm / 6.3x3.5x1.9in Weight: Approx. 460g Voltage: 48V-64V Power: 450W Connector Features: 1. Red, Black, Orange (Power Cord + Electric Door Lock Cord) 2 High Battery Brake Cable 3 Low Battery Brake Cable 4 Anti-theft Power Cord 5 Turn handle line 6. Hole Motor 7 3 Speed Overspeed 8 Anti-Theft Alarm 9 10 Yellow, Green and Blue 3 Round Head Motor Wires (3pcs) White Wire Black Head Learning Lines (2 pieces) 11 Green Line Green Head - Musical Instrument Line 12 Orange Blackhead-Cruising Line 13 Blackline Blackhead Cruising Linesa>Package List: 1 x Controller Note: Learning Line: Overhead Motor, Power, Motor, Hole, Handle, Plug Learning Lines(2 white wires)