• Price is for pair 
• Plug and Play into any Bafang controller
• Compatible with all BBSxx set ups
• Transforms any brake levered based brake into an ebrake
• Cuts power the second the brake lever is compressed
• Uses a magnet attached to your brake lever

Easily installed by plugging one end to your Bafang controller in the appropriate plug and the other end on the handle of your brakes.

Official Luna installation documentation here

See video instructions on how to install here: https://www.youtube.com/watch?v=dlvBxedXTZ8

Can also be used with mechanical disc brakes as well for those who do not want to use the Bafang stock ebrake handles.