Now featuring a 300-lumen beam and a lighter, smaller, tighter waterproof body with an updated user interface, Black Diamond's Cosmo 300 can handle everything from your evening bike commute to that weekend backpacking trip. PRODUCT FEATURES: IPX8: Waterproof-Tested to operate at least 1.1 meters underwater for 30 minutes. If submerged, water may enter the battery compartment and it will still operate; it should be completely dried out after use in wet conditions. Digital lockout feature safeguards against accidental use when stored in a pack or pocket Weight With Batteries: 83 g Max Distances: [High] 74 m; [Low] 8 m Max Burn Time: High 6.5 hours, Low 200 hours IPX Rating: IPX 8 Batteries: 3 AAA (included)