BESTSUN Small Pen Light Flashlight Mini 500 Lumen Tactical Zoomable LED PenLight Pocket Flashlights, Compact Lightweight, Waterproof, Perfect Work, Repair Inspection 500 LUMENS POWERFULL LED: Super bright in a dark or lit room and lasts quite two hours with moderate use(keep on) on just two AAA alkaline battery(not included), sufficient to light you way and light small dark spaces. ADVANCED DESIGN: Skid-Proof design and Water Resistant design, our flashlight set is made of high quality 6061T aluminum alloy and no worries in rainy day or snow days. Adjustable focus range for different usage, stretching to adjust its focus. Compact to fit easily into your pocket wherever you go, and has an anti-slip finish that holds fast in your hand. Simply 3 switch mode lighting effect design,features tactical design with quick click button,you can turn on/off the flashlight within 1 second. Comes with a clip, suitable for carrying around.this LED penlight is designed to fit in everyone's pocket, shirt and pants. You can also attach it to the wrist strap lanyard to hold it on your hand freely. You will feel safe to go anywhere with this powerful little flashlight. Good for outdoor, emergencies, inspections, checking, working and more.