Feature 1Good Heat Dissipation: The controller housing is made of aluminum alloy with grooves to protect the internal circuits from thermal overload due to good heat dissipation. 2Sensitive Control: Brushless motor controller can provide steady speed and sensitive control of braking and direction changes. 3Safe And Durable: Electric bike controller uses high temperature resistant flame proof wire, more safe and durable, and ensure low malfunction of long time use. 4Stable And Reliable: With undervoltage protection, overcurrent protection, stall protection and other protection functions, to ensure the safe use of electric bicycles. 5Wide Application: Brushless motor controller is suitable for electric bicycles, electric bike, electric scooter, etc. Easy to use and install.Item Type: Electric Bike Brushless ControllerProduct Material: Aluminum AlloyWeight: Approx. 217g / 7.7ozVoltage: 48V Power: 250W .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Electric Bike Brushless Controller