ITEM NAME:40A RC Brushless Motor Electric Controller With Governor Description: 100% brand new and high quality Small size & light weight and easy operation High quality and durable material, Easy to install and disassemble Suitable for car model RC, electronic governor Ultra-low impedance PCB board, powerful resistance to current Suitable for most small and medium sized aircraft model brushless motors Specification: Material: Metal Color: As Picture Show ESC Size: 22 x 2.6cm / 8.66 x 1.02inch Speed Governor Size: 35 x 31mm / 1.38 x 1.22inch Supply Voltage: 7-14V Maximum Current: 40A Package Includes: 1pc 40A Brushless ESC 1pc Speed Governor SKU: DMO0020509961025985.Maximum Current: 40A. Suitable for car model RC, electronic governor. 1pc Speed Governor. People always bought together with. Small size & light weight and easy operation. Ultra-low impedance PCB board, powerful resistance to current.