MEIKON 40M/130FT Underwater camera housing for Canon PowerShot G16 [IPX*8] Dual fiber-optic ports CamDive Red diving filter: Starting from 15-20 ft Underwater, red color starts to wash out by the filtering effect of water, the deeper you dive the more of the warm red spectrum is filtered out from the ambient light. Package Includes: Underwater housing, CamDive Red diving filter 67mm, Flash diffuser, Cleaning cloth, Silicone grease 1 packet(5ml), User manual, Port cap.