NiteCore SmartRing SR3 CREE XR-E R2 LED Flashlight Exclude When entering their terrain you

When entering their terrain you have options

don't forget that the detected barometric pressure changes when you are moving in a vertical direction

Accommodates most AA & AAA barrel-shaped mini-flashlights

Empty Reservoir Dimensions: Air Mesh

NiteCore SmartRing SR3 CREE XR-E R2 LED Flashlight Exclude When entering their terrain youFeatures Simple, intuitive rotary interface CREE XR E R2 high efficiency LED Max output 220 lumens Military grade aluminum alloy Mil Spec Type III Hard Anodized finish resists scratches Stainless steel retaining ring on light bezel, effectively protects the light from drops and impacts Tactical grip ring on the tail Special lanyard hole design Anti roll design Specifications Battery Powered by one CR123 battery or one protected rechargeable Li ion