Operating Voltage 7.4-16.8v 4s max

You can use a bec but NO buck reducer is rated high enough and will void warranty.

Approved bec castle bec 2.0 and hobbywing bec

Direct power

15t Spline

Magnetic Sensor Waterproof IP67

Operating Voltage: 7.4-16.8V

Operating speed: 0.091sec/60° @ 12.6V

Operating speed: 0.078sec/60° @ 16.8V

Stall Torque: 1682oz-in @ 12.6V

Stall Torque: 1876 oz-in @ 16.8V

Gear: Steel

Motor: Brushless

Size: 65.8*30.0*59.0mm(2.59 x 1.18 x 2.32 in)

Weight: 285g 

Connector Wire: TYU+JST 300mm / 22AWG 

Waterproof ip67

Included:

EC5 to JST Adapter

Horn 

Clamping screw size : M2*6 & M2

 Screw that holds horn on spline 

 M3.5*8