100% brand new

Compatible with: 400-450 helicopters / Aircraft or Quad-Rotor Multi RC Helicopter

Package: 4pcs 30A Brushless speed controller

Specification
-Output: Continuous 30A, Burst 40A up to 10 Secs.
-Input Voltage: 2-3cells lithium battery or 5-9 cells NiCd/NIMh battery.
-BEC: 2A / 5V (Linear mode).
-Max Speed: 210,000rpm for 2 Poles BLM, 70,000rpm for 6 poles BLM, 35,000rpm for 12 poles BLM.
(BLM: BrushLess Motor)
-Size: 45mm (L) * 24mm (W) * 11mm (H).
-Weight: 25g.