Electric Magnetic Brake Controller V2 from JP Hobby - JPH6001-106
For JP Hobby magnetic brake systems. This is the same controller that is included with JP Hobby Electric Wheel and Brake Sets.
Features:

Can tap directly into aircraft batteries or use an external battery (2S-6S)
Voltage output: 6-10V.
Signal input: Connect the module on your receiver on a 2 switch channel
The braking force is controlled by the servo travel\/endpoints you set in your TX
You can set the percentage on the transmitter to control the brake force+\/-100%

Specifications:

 Input: 7.4v~26v (2~6S lipo)
 Output Voltage: 6~10V
 Size: 35 x 24 x 6mm
 Weight: 15g