Welcome to our store 1、ESC is forward and backward, forward 100% throttle, backward 100% throttle, middle 1500US, pulse width range, 1000US-1500US-2000US. 2、Support 3‑6S, the highest voltage is 25.2V, ESC has no brake and it is directly reversed. 3、When the current is kept at 15A, the temperature of the ESC's bare board is about 70°. 4、The temperature is about 40° with the heat sink, which can continue to work for a long time. 5、Used for 2838 underwater propellers and is also suitable for users to build ESC in the propeller's sealed cabin. Item Type: Brushless ESC Material: Electronic Component Color: Black Product Diameter: Approx. 29.1mm/1.1in Product Thickness: Approx. 4mm/0.2in Weight: Approx. 5.0g/0.2oz Continuous Current: 15A Maximum Current: 30A Support Battery: 3-6S (maximum voltage 25.2V) ESC: 1. ESC is forward and backward, forward 100% throttle, backward 100% throttle, middle 1500US, pulse width range: 1000US-1500US-2000US 2. There is no brake on the ESC, and it is directly reversed. 3. This ESC needs PWM control (throttle or remote control) Quantity: 1Pcs Suitable for RC boat model underwater propeller 1 x ESC Customers are our top priority If you find any product problems after receiving the goods, such as damage or incorrect quantity, please contact us immediately. We strive to provide you with the best service