From the manufacturer

For multi-use camping, around the house, and outdoor adventures that require a simple light. 

 that require a simple light with both an all-purpose beam as well as night vision. This user has the need to run the lamp on alkaline batteries if caught away from a power source for a long backpacking trip.

Features

• Patented digital lockout feature safeguards against accidental use when stored in a pack or pocket
• Dual-Fuel: Maximum flexibility to utilize either Alkaline cells or a rechargeable Lithium Ion BD 1500 battery (sold separately)
• 350 Lumen max output
• Settings include dimming, strobe, red night-vision and lock mode
• Multifaceted optical lens design
• 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
• Integrated battery meter display shows % of power remaining

Specifications

• Weight: [AAA] 79g, [BD1500] 73.5g
• IPX Rating: IPX8
• Max Burntime: [High] 3/5hrs, [Medium] 6/10hrs, [Low] 200/225hrs - AAA/BD1500 Battery
• Batteries: 3x AAA (included), BD 1500 Battery
• Lumens: [High] 350, [Medium] 175, [Low] 6
• Max Distance: [High] 64m, [Medium] 45m, [Low] 10