Features: - Rotation direction of the motor is programmable: normal, reverse or bidirectional - All parameters can be programmed via using a program card or a transmitter, including default settings - Multiple protection features including low voltage cut-off protection/over-heat protection/throttlesignal loss protection - Alarm to help you find the devices: keep the throttle on FULL ON position for a while, the ESC will help - Throttle range can be configured and is fully compatible with all receivers, providing smooth, linear and precise throttle response