Ikelite Trigger Extension v2 for Shutter or Back Button Focus greenwaterfilter the lens surface can be

the lens surface can be protected right before use

Flood Power Level: 100% / 75% / 50% / 25%

CR2032 lithium battery included

A full featured and durable waterproof housing for Canon EOS 77D

Compact Underwater Strobe

Ikelite Trigger Extension v2 for Shutter or Back Button Focus greenwaterfilter the lens surface can beExtends the lever away from the housing and closer to a right hand handle. This extension brings the shutter button and or back button focus controls out to the handle assembly for maximum comfort. The newer v2 style lever allows flexibility in positioning with 16 possible orientations. For use only with controls featuring a curved lever actuator above serial number 73600 or UC65140.