EM50-4 55A MAX80A 1KW-1.5KW Hub Mid-Drive Controller Motherboard The default function: Hall Plug, Reverse, Low Brake 0V, Throttle (0-5V), High Brake 12V, Ignition, One-LIN/Hall Speed Sensor, Program Port, Three Speed, Sport Model, Parking, Anti-Theft, Regen Charge, Flux Weaken Current. Description M50-4 80A 1KW-1.5KW Hub Mid-Drive Controller Motherboard The default function: Hall Plug, Reverse, Low Brake 0V, Throttle (0-5V), High Brake 12V, Ignition, One-LIN/Hall Speed Sensor, Program Port, Three Speed, Sport Model, Parking, Anti-Theft, Regen Charge, Flux Weaken Current. This link contains 1 pcs EM50-4 Controller with function cables 1 pcs USB cable for programming Product description Model: EM50-4 ECU sine wave controller 1. Available Battery Voltage: 48V-72V 2. Rated DC current: 40A 3. Boost DC current: 80A 4. Peak Phase current: 170A 5. Max. Power: 5760W 6. Mosfets Detail: 12 FET 7. Matched Motor Rated Power: 800W-2000W 8. Max. Efficiency: 92% 9. Degree of Waterproof: IP65 10. Flux Weaking Ratio: 150% 11. Certification: CE, CCC 12. Working Communication: Hall Sensor 13. Net weight: 800g 14. Size: 181mm * 94mm * 50mm 15. Support Programmable by PC