GoolRC 40A Brushless ESC Speed Controller wth BEC

Original Hobbywing SkyWalker 40A Brushless ESC Speed Controller With BEC

Description:
Brand Name: Hobbywing
Item Name: Hobbywing SkyWalker 40A BEC
Constant Current: 40A
BEC Mode: Linear mode BEC
BEC Output: 5V at 3A
Input Voltage: 2-3S Lipo, 5-9 cells NiMH.
Dimension: 68 x 25 x 12 mm
Weight: 43g
Maximum speed: 210000 RPM (2 poles motor), 70000 RPM (6 poles motor), 35000 RPM (12 poles motor).
Usage: Apply for 400/450 helicopter 3D, and 32 level fixed wing sports
Package size:   10 * 10 * 2 cm / 4 * 4 * 0.8 in
Package weight: 48 g / 1.7 oz

Package list:
1 * Original Hobbywing SkyWalker 40A Brushless ESC