Features: 1. Good Heat Dissipation: The controller housing is made of aluminum alloy with grooves to protect the internal circuits from thermal overload due to effective heat dissipation. 2. Sensitive Control: Brushless motor controller provides steady speed and responsive control for braking and direction changes. 3. Safe and Durable: Electric bike controller uses high-temperature-resistant, flame-retardant wiring for enhanced safety and durability, ensuring low malfunction during prolonged use. 4. Stable and Reliable: Equipped with undervoltage protection, overcurrent protection, stall protection, and other safety functions to ensure safe operation of electric bicycles. 5. Wide Application: Suitable for electric bicycles, e-bikes, electric scooters, and similar devices. Easy to install and use. Specification: Item Type: Electric Bike Brushless Controller Product Material: Aluminum Alloy Weight: Approx. 217g / 7.7oz Voltage: 48V Power: 250W Package List: 1 x Electric Bike Brushless Controller