This compact brushed speed controller is designed specifically for hanging on racer applications, delivering reliable forward and brake control with built in protection features for safe and consistent operation. Features Waterproof and dustproof construction for dependable performance Forward and brake operation optimised for hanging on racer use Automatic throttle neutral detection and setup Selectable LiPo or NiMH battery mode via jumper pin Low voltage cutoff protection for LiPo and NiMH batteries Heat protection with automatic power reduction and shutdown Throttle signal loss protection for improved safety Compact design with built in capacitor Specifications Application: Hanging on racer brushed motor systems Continuous current: 25A Maximum current: 100A Input voltage: 2 to 3S LiPo or 5 to 9 cell NiMH BEC output: 5V 1A Dimensions: 34 x 24 x 14mm Weight: 21g Protection Functions Low voltage cutoff with reduced output and shutdown protection Heat protection activates at 95 degrees Celsius Throttle signal loss protection cuts output after 0.1 seconds Battery Cut Off Settings 2S LiPo: Output reduced at 6.5V cutoff at 6.0V 3S LiPo: Output reduced at 9.75V cutoff at 9.0V 5 to 9 cell NiMH: Output reduced at 4.5V cutoff at 4.0V Includes GPW17 brushed speed controller Important Notes Designed for forward and brake operation only Ensure correct battery type selection before use Follow transmitter setup instructions for correct throttle calibration