Feature: 1. Programmable ESC and programming content including angle of entrance, starting power. 2. Suitable for underwater thruster brushless motor, low RPM, high torsion and high voltage scenarios. 3. IPX8 Full waterproof design makes it can work within 30m / 98.4ft underwater. 4. Easy and convenient for installation and disassemble, reliable and durable to use. 5. Wonderful replacement for the old or broken one, directly fitment for RC boat. Specification: Condition: 100% Brand New Item Type: ESC Material: Metal Color: Silver ESC Length: Approx. 90mm / 3.5in ESC Height: Approx. 35mm / 1.4in ESC Width: Approx. 60mm / 2.4in Power Cord Length: Approx. 50cm / 19.7in Waterproof Level: IPX8 Water Depth: Approx. Within 30m / 98.4ft Start Mode: PWM signal Load Current: 100A Suitable for Battery: 2-12S Operating Voltage: 6-50V BEC Output: 5.5V/8A. Package List: 1 x ESC Note: Must be immersed in water for heat dissipation, do not use in high temperature in the air.