Weighing a mere 1.2 oz. and measuring less than 3" in length, this mini-flashlight may be small, but don’t let the size fool you. The K3 features the Blue Moon Focus System™, which casts a mellow blue circle around a uniform light cone. An attached key ring makes it a perfect light source for walking to and from the car, home or office at night. Puts out 14 lumens for up to 1.25 hours. One LED. Runs on four AG13 batteries (included). Length: 2.68". Weight: 1.2 oz.