Welcome to our store! This RC boat 100A ESC features automatic throttle learning and shuts down upon signal loss. It supports reverse functionality and half-slope starts for flexible control. Reliable protection: alarms and cuts off output when the receiver loses signal. High reliability: prevents the RC boat from starting with incorrect throttle input. Suitable for RC boats and underwater thrusters. Item Type: RC Boat 100A ESC Material: Electronic Components Color: Black Continuous Current: 100A BEC Output: 5V/5A Operating Voltage: 7.4 to 22.2V Battery: 2 to 6S Lipo (battery not included) Application: RC remote control boat, underwater thruster, etc. Product Size: Approx. 79 x 39 mm / 3.11 x 1.54 inches (manual measurement, slight error may occur) Includes: 1 x RC Boat 100A 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.