Hobbywing Pentium 6A Brushless ESC, max 8A, for foamy, indoor flyer * for 2 poles, 6 poles, 12 poles brushless motor * Input Voltage: 2 cells lithium battery or 5-6 cells NiCd/NIMh battery * BEC: 0.8A / 5V (Linear mode) * 24mm (L) * 12mm (W) * 6mm (H); weight: 6 g