Features: The LED programming card ensures precise configuration of brushless ESCs (25A 150A) from and Surpass Hobby, featuring adjustable low electric cutoff (3.1V/2.9V/2.7V) to prevent battery over discharge and three startup modes (middle /Soft/Strong) for optimized performances. Customize braking force (25% 100%), reverse power, and neutral ranges width (9%/6%/12%) through intuitive controls, with strong plastic construction designed for frequent adjustments in vehicle. Essential for hobbyists and competitive racers needing professional grade parameter customization for 1/10 1/8 scale models, crawlers, and speed electric cars. Optimize your car's acceleration during track races, adjust drag brake settings for rock crawling, or configure safe electric limits for backyard bashing event . This programmer combines plug and play functionality with control over throttle response and battery defense settings, ensuring top performances across Surpass Hobby and brushless motor systems. Specifications: Component : plastic Size: about 6x48x61mm/0.24x1.89x2.4inch Package Includes: 1xLED Programmer Card note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.