1. Toughened plastic body 2. 30,20,16LED 3.4 X D, 3 X D 3 X AA Batteries 4. Fashion Design and High Quality Art.NO: NS928A,927A,926A  Introductions:Toughened plastic body supplys great protection against water and shock, Wihtout adding you much burden due to its light weight.  Very good illunination tools for your night walking, camping activities and other outdoor applications. Fashion designSpecification: Operation:   Twist the switch clockwise to turn on and adjust the brightness from low to high.Detailed Pictures   Another type for your choice: