The new version, the new upgrade! High-strength aerospace aluminum lampholder，surface of hard anodizing The main body perfect lettering CREE Q5 LED generates 200 lumens of blinding white light and continues producing-level light for more than about 60 mins Button & Wire Remote Control Switch works with Selector Switch Comes with IR flip cover Fit to attach on rifle / pistol with under rail (20mmstandard rails) Powered by 2*CR123A(3.0V) or 2*16340(3.7V) Batteries