Camera flash will not work as a normal flash inside the housing when doing macro photography (take this into account before purchasing).
The only use for camera flash is to trigger external strobe via fiber-optic cable.
Clear plate glass
O'ring sealed buttons with spring loaded mechanism to protect your camera properly
Double threaded front 52mm & 67mm
Dual Fiber-Optic ports
Stainless steel mounting plate (size -1/4")
Inbuilt leak detection sensor