1.CREE Q5 LED generates 200 lumens of blinding white light and continues producing-level light for more than about 60 mins

2. Fits pistols and also rifles

3.Designed for both right- and left-handed

4. Functions: Momentary-On & Contstant-On

5.Powered by 2*CR123A(3.0V) or 2*16340(3.7V) Batteries