buy this product at Sears . have be use this product for 4 month . primary battery use in the product : Duracell Alkaline -lrb- come with -rrb- Enercell Alkaline Energizer rechargeable ni-mah have use up to 12 battery during my use . experience ... durability : have be drop over 100 time on pavement mostly at 4.5 ft , 9ft on a rare occasion . no sign of wear on the the head , and main body after 4 month . Tailcap have the gray paintjob rub off likely due to my have a metal key ring attach . Lighting : primarily use it on the high power setting . -lrb- 70-80 lumen ? -rrb- leave this flashlight on for three day straight as a temporary bedroom light . set to upsidedown candlemode -lrb- minus the head -rrb- ; hang on a screw on the ciel with a keyre use the Enercell Alkalines the minimaglite run nonstop for less three day set on high . however the minimag be program to dimm when there be insufficient power around the 6 or 8th hour . day 1 first 8 hour have really good lighting day 2 sufficient light not too bright . day 3 insufficient light , last few hour blinking till power be fully drain . other use for this light : High 70-80 luman output in candlemode be very sufficient as a camera flash up to 3ft for flash-uncapable camera . my conclusion ... negative : not good as a tactical fast reponse flashlight for extensive daily usage . not the brightest in the 2aa battery category . no tail clicky switch . do not stay in a constant luman output . can not turn off without the head . positive : decent runtime . what it lack in brightness it be high on versatility with various feature high , low , Strobe , SOS , Candlemode . Aircraft Aluminum body can take a beating just not the paint scheme . heatshield keep the outer body from feel too hot . commonly find in retail store in many part of the world . upgrade-able like the krypton-bulb minimag with various 3rd-party accessory in the market . affordable at the $ 20-25 usd range . come with 2aa duracell , and a nylon beltpouch .