Hobbywing Skywalker 40A 2-4S Brushless ESC Electric Speed Controller with UBEC
Specifications:Model: Skywalker-40A w/ UBEC.Continuous current: 40A, burst current (>10s): 55A.BEC output: 5V /3A.Battery cell: 2 - 4S (Lipo) / 5 - 12 cells (NiMH).Dimensions: 68mm x 25mm x 12mm.Weight: 43g.Package Content:1 x Hobbywing Skywalker 40A ESC W/ UBEC