Available in both E710 and E713 models. The basic structure of the two models is the same, but the size is different. E700 series deep water shield with special sealing structure can be used for long-term underwater 0-80 meters work, seal ingress grade: IP68, no deformation, no leakage, to ensure the normal operation of the camera, lens. Its structure is cylinder-shaped, the front end is oblique, do not have to add a sunshield, window glass is tempered glass, with a threaded pressure ring pressed on the spring ring on the inner wall of the cylinder, sealed with special sealing glue, the rear cover is threaded to the rear of the cylinder, also with a special sealant seal seal seal, cable introduction device using a typical structure of airtight, Special sealant seal, cylinder and mount with imported stainless steel tie-tight, internal drawer board can be pulled out from the back for easy installation and commissioning.