Excellent and efficient operation. This 200A brushless ESC is suitable for RC boat/airboat models. Plug-and-play design with a limited range of programming options. Water-cooled 200A electric speed controller, specifically designed for RC boat models. Manufactured with quality components for maximum durability and long service life. Lightweight and convenient for installation and disassembly, reliable and durable in use. Continuous Current: 200A Maximum Current: 230A BEC Model: Switch BEC Output: 5V / 5A Recommended Battery: Lithium-ion/lithium polymer 2-7S; NiMH/NiCd 6-20NiMH Cooling Method: Water Cooling Applicable: RC Boat/Airboat Model User Programming Options: Battery Type: NiMH/NiCd/Lipoly/Li-ion Cell Count: 2S-7S / 6-20NiMH Throttle Setting: Automatic/Soft/Hard Brake: No Brake/Soft/Medium/Hard Direction: Clockwise/Counterclockwise Cut Off: Soft/Hard PWM: 8Khz / 16khz Includes: 1 x ESC Customer satisfaction is our top priority. If you encounter any issues with your product upon receipt, such as damage or incorrect quantity, please contact us immediately. We are committed to providing you with the best after-sales service.