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