The led lenser h7r2 rechargeable headlamp blows it predecessor the h7r out of the water it is brighter smarter more durable and more comfortable than the previous model up to 300 lumen output on boost mode combined with up to 60 hours burn time on low power 20 lumens makes this a seriously versatile hands free lighting companion for any environment one of the latest cree led light chips has been meticulously selected in order to ensure optimised light output this when combined with the re conf