1、The electronic speed controller is forward and reverse, forward 100% throttle, backward 100% throttle. 2、Support 3‑6S, the highest voltage is 25.2V. 3、When the current is maintained at 15A, the temperature of the bare board of the ESC is about 70°C, with the heat sink, the temperature is about 40°C, which can continue to work for a long time. 4、ESC is used for underwater propellers, and it is also suitable for users to embed the ESC in the sealed cabin of the propeller. 5、The ESC does not have a brake, and it is directly reversed. Item type: 30A Ship Model  ESC Material: electronic components Color: black Diameter: Approx. 29.1mm/1.1in Thickness: Approx. 4mm/0.16in Weight: Approx. 5g Continuous current: 15A Maximum current: 30ASuitable for: RC ship model underwater propeller ESC description 1. The ESC is forward and reverse, forward 100% throttle, backward 100% throttle, meso-position 1500US, pulse width range: 1000US-1500US-2000US, 2. There is no brake on the ESC, and it is directly reversed. 3. This ESC runs immediately after power on 1 x 30A Ship Model  ESC Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-dadangjia