Features: 125A Brushless ESC with 5V/5A SBEC, water cooling. Waterproof design(Need to use 704 silicone rubber by yourself). This super simple boat series comes with a limited range of programming functions and are designed to be plug-n-play. A perfect ESC for those looking for something simple to use and economic. If there are any problems, please contact our store in time. Specification: Name: Brushless ESC Main Color: Black Cont Current: 125A Burst Current: 150A BEC Model: Switch BEC Output: 5V/5A Cooling: Watercooled User Programming Options: Cell Type: NiMH/NiCD/Lipoly/Li-ion Cell Count: 2S-7S/6-20NIMH Throttle Setting: Auto/Soft/Hard Brake: No Brake/Soft/Medium/Hard Direction: Clockwise/Counter Clockwise Cut off: Soft/Hard Timing: 1o/7o/15o/30o PWM: 8Khz/16khz Size: 98mm * 40mm * 15mm(Without Wire) Package Information: Package Size: 2071cm Package Weight: 95g Plastic Package Packing List: 1* 125A Brushless ESC