TOOGOO(R) Hobbywing 3A UBEC w/ RF Noise Reduction RC Output BEC Switch Mode For Lipo Switching power supply design, the main chip with over-current and over-temperature protection, chip efficiency up to 92%; Small volume, light weight; Electronic devices are shield protection, output line is equipped with a magnetic ring, greatly reduce electromagnetic interference and receiver work; Has the power to prevent reverse polarity protection function, if you accidentally reversed power UBEC will not cause damage; With LED light-emitting diode working status indicator lights when the output is normal