The Lighthouse EHEAD350R is a rechargeable high performance LED headlight featuring focus control and three output options of high, low or strobe. This top of the range headlight features the very latest LED that provides a super bright beam of light from a single source. This LED is unsurpassed in both output and efficiency providing long running times with a life span of over 100,000 hours. The headlights powerful rechargeable Li-ion batteries will provide a 350 lumen strobing beam lasting up to five hours or a 150 lumen beam for up to 10 hours on a single charge.