MJ-6273, for use with Magicshine TTA or MJ-6272 out front bike mount. Compatible with all bike lights, cameras, GPS, speedometers etc. with male ended Garmin quarter turn style base. Wide adjustable angle, tighten with screw. garmin to GoPro adapter
This unit has 2 prongs and is meant to be inserted into an existing GoPro compatible handlebar or helmet mount. Plastic material, very light weight.