Seafrogs SF-PH-01 Pro 40m/130ft Waterproof General Mobile Housing for Andriod and Iphone
 
Specification: 
Waterproof Depth - 40m/130Ft
Waterproof index - IPX8
Applicable Temperature: 0°-40°
Key features:
1.Dont need download APP, directly connect Phone to Use
2.Inbuilt red & magenta filters (can be changed)
3.Stainless steel plate with 1/4" mounting holes
4.Cold shoe mount for additional light source
5.Vacuum pump system design
6.Big lens window
7.Can install adapter for dome/Fisheye lens