Virtually indestructible, this impact- and shock-resistant LED flashlight is a great value. Tough, yet lightweight, design is powered by 4 "AA" alkaline batteries for up to 155 hours of continuous use.Highly durable polymer body provides waterproof protection as well. Seven powerful LEDs deliver the ultra-bright light you want. Measures 6 ½" long. Wt. 6.3 oz.