Tajima LED Keep Maintains Brightness Until Battery Boosts Up to Includes Dedicated Rechargeable Headlight, Just, 100% Dies, 1000lm, Battery,

Unique control keeps brightness at 100% until battery runs out Equipped with a boost function that illuminates maximum brightness (1000lm/10 seconds) with one push Brightness (lm): Boost: 1,000 / High: 350 / Mid: 180 / Low: 50 Run Time (h): Boost: - / High: 5 / Middle: 10 / Low: 34 Ultra-large capacity 4,700mAh dedicated rechargeable battery set (LE-ZP3747)