This unit always shuts off in an instant, or after seconds / a minute or so, depending on mode.

Minor cosmetic issues.

Box not included.

Material: ABS OUTPUT: Rechargeable 400-lumen Auto-Off LED Headlamp has 3 modes: All-on/Boost at 400 lumens, Spotlight at 200 lumens.  Floodlight at 100 lumens. AUTO-OFF: FUEL GAUGE: Battery gauge indicates the level of battery life with colored LED lights. DETACHABLE: Light can be removed from bracket for recharging. PIVOTING: Slim profile with pivoting mount to allow up to a 64-Degree lighting angle. STRAP: Adjustable woven fabric strap with silicone grip secures headlamp onto head or cap. RECHARGEABLE: Rechargeable via micro-USB port. DURABLE: Drop-test rating of 6-Foot, dust / water-resistant.