Microblast Headlamp, Black- Ultra-bright headlamp is superbright and so small it goes unnoticed when wearing it- Smaller and lighter than most cap lights and headlamps- Two Nichia white LEDs for distance and general-purpose use; one green LED for stealth, safety and night vision- Rugged polymer construction with Silent Hinge- Includes headstrap for use as a headlamp, or hat clip to attach to your favorite cap- 10 lumens- Effective distance 20 yards- Battery Life: White LEDs: 25 hours; Green LED: 50 hours - Lamp Type: LED - Brightness: 10 Lumens - Color of emitted light: White and Green - Batteries: (2) 2032 Lithium (included) - Additional Info: (2) 5mm Nichia White LEDs, (1) Green LED