Rechargeable Lithium Ion 10850 750mAh batteryFlex-Power Technology - can be powered by AAA batteries or rechargeable built-in batteryAnodised aircraft-grade aluminium constructionSwitch between Area Light (360-degree light) and Spotlight (focussed light) with varying power modes for eachSmart Power Control - The power button cycles through light modes when pressedSteel belt/pocket clipIPX7 water and impact-resistant - waterproof up to 30 minutes in 1 metre of waterPowerful magnetic baseBattery charging indicatorDimensions: 16 x 2 cmWeight: 62gSpotlight ModesTurbo (500 lumens) - 30 sec / 142 metersHigh (250 lumens) - 3.5 hours / 98 metersLow (25 lumens) - 8 hours / 31 metersStrobe (250 lumens) - 2.5 hours / 98 metersArea Light ModesTurbo (400 lumens) - 30 sec / 16 metersHigh (200 lumens) - 3.5 hours / 11 metersLow (20 lumens) - 8 hours / 6 metersStrobe (200 lumens) - 2.5 hours / 11 meters