Features: 1) High strength precision machined aluminum construction 2) Adjustable beam provides spot to flood lighting with a simple twist 3) Rubber "O" rings provide water resistant seal 4) Raised rubber on/off switch 5) Knurled or hobbed handle provides a sure grip 6) Shatter proof lens 7) Anodized inside and outside for superior corrosion resistance and durability 8) Spare krypton bulb included in the end cap 9) Sizes varies from 2D-6D, 2C-6C, 1AA-3AA, 1AAA batteries can be included if needed