External Programming Port: Easy to connection to the Program Card when setting the ESC Application: This brushless ESC suitable for 1 / 18th short course trucks, buggies, trucks, and trucks.The builtin switches mode with a maximums output of 3Amp and voltages of 5.38V make this remote Brushless ESC suitable for various servos Multiple Protections: Low voltages cut-off protections / Over-heat protections / Throttle signals loss protections / Motor lock-up protections : Proportional brake with 4 steps of maximums brake force and 8 steps of drag brake force; 9 steps of acceleration (punching) from “ soft ” to “ Very aggressive ” to fit for different kinds of models, tires and tracks Water-proof and Dustproof: The brushless remote ESC suitable to all-weathers sport races; (Note: please uninstall the cooling fan before using this ESC in water; Cleaning and dry it soon after the use for avoiding the connectors get rusty, Manufacturer: Msioytog