The Minox CFL 1 Compact LED Flashlight features all of the essentials of today's high-tech, high-durability flashlights. Bright, compact, rugged, and waterproof the CFL-1 LED Flashlight by Minox is the perfect companion in your vehicle, your pack, or your pocket. This Minox Flashlight packs a powerful punch with an output of 80 lumens of dazzling white light with a 1 hour run time only while being only 3.9" long and weighing a scant 2.6 ounces. If full power isn't needed, a push of the tail switch lowers the output to a general illumination level of 18 lumens for up to 7 hours. In addition, the versatility and line-of-sight security is provided by a signaling function of 5 Hz frequency full power flashes. Minox CFL1 Compact LED Flashlights are powered by a single 1.5v AA battery (included).