Welcome to the store! 1. 125A brushless ESC with excellent performance for efficient operation. 2. Features a limited range of programming options and is designed for plug-and-play. 3. Specially designed for RC boat models, this water-cooled 125A electronic speed controller is ideal. 4. Constructed with quality components for maximum durability and longevity. 5. Simple and convenient for installation and disassembly, reliable and durable to use. Item Type: ESC Material: Electronic Components Color: Black Continuous Current: 125A Max Current: 150A 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 Programmable Options: Battery Type: NiMH/NiCd/Lipoly/Li-ion Cell Count: 2S-7S / 6-20NiMH Throttle Setting: Auto/Soft/Hard Brake: None/Soft/Medium/Hard Direction: Clockwise/Counter-clockwise Cut-off: Soft/Hard PWM: 8Khz / 16khz 1 x ESC Your satisfaction is our top priority. We are committed to providing you with the best service. If you encounter any issues after receiving the product, such as damage or incorrect quantity, please contact us immediately for the best solution!