This is a programming card only used to program for HOBBYFANS, OCDAY, GOOLRC brushless ESC. The high quality enables excellent of it, perfect choice for you. Note: Some new HOBBYFANS ESCs cannot be used. If you are not sure, please consult us Features: Compatible with: It has superior performance and specifically designed for 1/10 climbing car. Programming HOBBYFANS, OCDAY, GOOLRC brushless ESC. Small and Lightweight: The size is 8*5.4*1.3cm, lightweight only 31g, portable design, you can take it to anywhere. Get Better Driving Experience: It can program the maximum braking force(50%, 25%, 75%, 100% (25A, 35A, 45A, 60A), 25%, 50%, 75%, 100% (80A, 120A)), max. reverse force(25%, 50%, 75%, 100%), let you better control your RC car and get a better driving experience. Easy to Use: Convenient and easy to use, with 4 buttons, ITEM, VALUE, OK, RESET button, with indicator light, easy to set. Specifications: Item name: Programming Card Low voltage cut off: 3.7V/3.6V/3.5V/3.4V/ 3.3V/3.2V/3.1V / 3.0V / 2.9V / 2.8V /2.7V / 2.6V Start modes: Medium soft strong Max. Brake force: 50%, 25%, 75%, 100% (25A, 35A, 45A, 60A) 25%, 50%, 75%, 100% (80A, 120A) Max. Reverse force: 25%, 50%, 75%, 100% Neutral range: 9%, 6%, 12% work state Color: Black Main material: Plastic Suitable for: Programming HOBBYFANS,OCDAY,GOOLRC brushless ESC Size: 8*5.4*1.3cm Note: * There could be some deviations due to manual measurement or slight color difference owing to photographing condition. Thank you for your understanding. Package Information: Package size: 8.5 * 6 * 2cm Package weight: 40g Plastic Package Packing List: 1 * Programming card 1 * User manual