Feature: 1. Aluminium alloy controller case, protects the internal circuit, has good heat dissipation, and avoids thermal overload. 2. Brush contrller, provides stable speed and sensitive control of braking and direction changes. 3. The cables and connectors are durable, ensuring low failures for long life time. 4. There are instruction labels on the interface for easy installation. 5. Suitable for electric bike, electric scooter. Specification: Condition: 100% Brand NewItem Type: Brush Controller Model: JK-31C Material: aluminium alloyColor: silverWeight: Approx. 115gRated power: 250W Rated voltage: 24V Current: 21 ± 1A Under voltage: 20 ± 0.5V Package List: 1 x Brush Controller