Aluminum Alloy Shell:Designed for rough handling, this durable aluminum flashlight can withstand accidental drops and perform reliably in the toughest conditions. This slim profile penlight fits in small, tight spaces and illuminates hard to see places, you can take it anywhere for emergency lighting. Adjustable Telescopic Zoom:The Adjustable telescopic zoom meets your different needs, suitable for outdoor use. Clip Flashlight:With portable design and detachable pocket clip, it can be easily hung on your belt, bag, binder, shirt or trouser pocket. Light Beam:Illuminate a concentrated area with a diffused beam of light, making it ideal for close-in tasks. Powered for hours with 1 standard AAA battery. (Batteries not included). Simple on/off switch:Easy to use, with a switch on the back, press it to turn on or off.