Blheli 12a 4 In 1 Brushless Esc Speed Controller

BLHeli 12A 4 In 1 Brushless ESC Speed Controller Descriptions: Brand Name:BLHeli ESC in the Quattro: 4 in 1 Rate current: 12A/15A burst Weight: 52g Input Voltage: 2-4S Lipo or 5-9 cells NiMH. Refresh rate of the throttle signal: 50Hz to 432Hz. Dimension: 55*45*9mm Hole pitch: 40*45mm Built-in 5V/1A BEC output, could modify to CC3D and receiver power supply Max Speed: 210000rpm for 2 Poles BLM, 70000rpm for 6 poles BLM, 35000rpm for 12 poles BLM.(BLM = BrushLess Motor) Suitable for 250/330mm wheelbase mini quadcopter Package Included: 1x 12A 4 in 1 ESC speed controller