Continuous Current 40A Burst Current (10 Sec) 50A Li-Pol Cells 2-5 Diamensions 50 x 28 x 11mm Weight Including Wires 35g BEC 3A/5V Programmable YES Features Low-voltage, over-heat, signal loss & safe power on protection, with self check functions. Excellent startup performance, great quick & linear throttle response. Excellent low speed performance. Max speed: 240,000 rpm for 2 pole, 80,000 rpm for 6 pole, 40,000 rpm for 12 pole motors. Parameters of the ESC can be set via your transmitter. Throttle range can be set to be compatible with receivers. 3 linear throttle curve options can make helicopter control more flexible. Motor reverse rotation can be programmed via transmitter.