XXD 2-4S 40A Brushless ESC Speed Controller with 5V/3A BEC T lug for RC Airplane Fixed-wing<br> : XXD<br> Current: 40A<br> Output capacity: Continuous current 40A, short-time current 55A (not less than 10 seconds)<br> Power input: 2-4 lithium batteries (Not Included)<br> BEC output: 5V@3A (linear regulator mode - linear mode)<br> Maximum speed: 210,000 rpm for 2-pole motor, 7000 rpm for 6-pole motor, 35,000 rpm for 12-pole motor<br> Size: (Approx) 68x25x8mm<br> Features:<br> * Safety arming feature: Regardless the throttle stick position, the motor will not spin after battery connected.<br> * Throttle calibration funtion: Throttle range can be calibrated to be compatible with different transmitters.<br> * User programmable.<br> * Multiple procedure methods supported: transmitter stick, LED procedure Card. Very easy to procedure the ESC at home or at the flying field.<br> * Compatible with Lipo and NiMH battery.<br> * Timing can be changed to be suitable for different brushless motors.<br> * Full protection: Low voltage cutoff protection / Over-heat protection / Throttle signal loss protection.<br> Note:<br> 1. Due to the light and screen difference, the item's color may be slightly different from the pictures.<br> 2. Please allow 0.5-2 cm differences due to manual measurement.<br> Package Included:<br> 1 x 40A Speed Controller ESC