positive : \* build like a tank \* reliable \* well design switch  negative :  \* extremely poor beam quality -lrb- full of hole and ring , yellow-brown beam color -rrb- \* old technology -lrb- do not use a luxeon star lead bulb -rrb- \* very little usable sidespill  overall : for a $ 20 ` ish light , its fine for the average person that be satisfy with a mediocre flashlight . however , the excessively poor beam quality -lrb- yellow beam that turn brown as the battery dim , plus ring and hole in the beam -rrb- and mediocre sidespill really take lot away from this outdated flashlight .