Preserve Your Night Vision The Streamlight Stylus Penlight is available in a variety of colors and with different-colored LEDs. This particular version is fitted with a green LED, which has a brightness level of 7 lumens. The Stylus penlight with green LED is perfect for use while hunting or camping, as the green coloring preserves a user's night vision. This small-sized flashlight measures just over 6 inches long and is constructed from machined aluminum, with an anodized finish, for added durability. The Stylus is also rated IPX-4 for water resistance, thus making the perfect tool for professionals who frequently work outdoors. Finally, a removable pocket clip is included for effortless attachment to a user's pocket or belt loop. The Streamlight Stylus penlight is powered by 3 x AAAA batteries, which are included with your purchase. The green LED flashlight has a maximum runtime of 24 hours; however, AAAA alkaline batteries are easily replaced through the tailcap. The Streamlight Stylus features an easy-to-use tailcap switch. For momentary illumination, simply press down. For constant-on lighting, feel free to twist the tailcap open. Features: Slender Design High Intensity LED Machined aluminum casing Non-slip textured grip Momentary blinking and constant On modes Individually serialized for identification Removable pocket clip Available in either Black or Camo-colored casing (Camo no longer available) Thinnest alkaline penlight in the world! Specifications: Light Source: 5mm Green LED (527nm) with 100,000 hour lifespan Runs On: 3 x AAAA (Included) Output: 7 lumens Runtime: 24 hours Peak Beam Intensity: 59 cd Peak Beam Distance: 15 meters Water Resist Rating: IPX-4 Impact Resist Rating: 2 meters Weight (with batteries): 1.1 oz. / 31 g Dimensions: Length: 6.21" / 15.17 cm Diameter: 0.375" / 0.95 cm