NVG version of the original MityLite features a special lens that alters the color spectrum (blue/green) and cuts the candlepower to preserve night vision.  Made of an unbreakable space age, hi-impact polycarbonate resin.  Includes: shirt clip, Xenon lamp module and two AAA-cell alkaline batteries. 

• Protection:  IPX7, submersible 1m for 30 minutes.

• Safety Approvals:  CSA, IECex, & ETL.

• Size: 4¾" x ¾" OD.

• Weight:  1.6 oz. (with batteries).

• Color:  Black.

Batteries (replacement):
#422-AAA  Alkaline Batteries, AAA