Strong Performance: Max 2,100 lumens with a 500-meter throw. perfect for search, rescue, and other emergency applications. Reliable & Professional: Tactical ring, aggressive bezel, tail switch and IPX8 waterproof rating, and 3-meter impact resistant rating, ideal for outdoor activities! WML: Adaptable to Picatinny rails with the optional mount (E-WM25) and remote switch (RWX07), let&';s be fully prepared for hunting! Output: 2100 lumensRuntime: 8 hours Beam Distance: 500 meters Battery ORB3-217C505000mAh 3.6V 21700 Size 142*39mm