E1B Backup®

Max output: 110.0 Lumens
Low output / runtime: 5.0 Lumens / 37 hours
Tactical runtime: 1.3* Hours
Length: 4.00 Inches
Bezel diameter: 1.00 Inches
Weight: w/Batteries 2.8 Ounces
Batteries: 1-123A

*Total runtime (at highest setting for multiple-output flashlights) until output drops below 50 lumens