Output: continuous current: 40A, short-time current: 55A (not less than 10 seconds)_x000D_ Power input: 2-4* lithium battery_x000D_ BEC output: 5V@3A (linear regulator mode - linear mode)_x000D_ Maximum speed: 210,000 rpm for 2-pole motor, 7000 rpm for 6-pole motor, 35,000 rpm for 12-pole motor_x000D_ Size: 68*2*8mm 1Output: continuous current: 40A, short-time current: 55A (not less than 10 seconds) 2_x000D_ Power input: 2-4* lithium battery 3_x000D_ BEC output: 5V@3A (linear regulator mode - linear mode) 4_x000D_ Maximum speed: 210,000 rpm for 2-pole motor, 7000 rpm for 6-pole motor, 35,000 rpm for 12-pole motor 5_x000D_ Size: 68*2*8mm1 pcs brushless ESCDue to the different monitor and light effect,the actual color maybe a slight different from the picture color._x000D_ Please allow 2-3cm differs due to manual measurement.