RAM Mount RAM-B-408-112-15U Torque™ Large Rail Base which confirms each operation so

which confirms each operation so you know you're in control

allowing you to record each video signal separately

Other features include an OLED screen on both units

but for diving use We strongly recommend the OEM side door from GoPro (part # AAIOD-001)

RAM Mount RAM-B-408-112-15U Torque™ Large Rail Base which confirms each operation soThe large version of the RAM Torque handlebar mounting base features a 1" B size RAM rubber ball and is compatible with rails 1 1 8 to 1 1 2" in diameter. Sizing inserts are included to provide a tight fit while also protecting the mounting surface. The large RAM Torque mounting base also includes nylon insert locknuts to prevent loosening in high vibration environments. HARDWARE INCLUDED (2) #10 24 x 1" Socket Head Cap Screws(2) #10 24 Nylock Nuts(2)