Model 3325 162 Lumens 16-hour Operation 472.4ft Beam Distance Water-resistant (ipx7) Epdm O-ring Exl Body & Polycarbonate Lens Photo-luminescent Polycarbonate Shroud Rear Push-button On and off Operation Certifications: Class 1 Division 1 Iecexia Convenient For Helmet Mounting Safety Certified: Class I Division I Tail Switch For Easy 1-handed Operation Includes 3 AA Batteries Pelican Lifetime Guarantee