One of the most popular flashlights on the market, the P7 is the ideal combination of size and power. High or low settings are user selectable for the situation. Advanced Focus System provides a narrow beam for long-distance work or spill beam for close tasks. On high it delivers 175 lumens for one hour, and on low it provides 27 lumens for 13 hours. Its anodized-aluminum tube holds four AAA batteries (included). Length: 5.24". Weight: 6.77 oz.