Product Description Material: aluminum alloy Size: 8.8cm, 13cm Colour: Black Lumens: 150 lumens Switch: tail cover (open/close) Waterproof: Yes (but not directly into the water) Battery type: 1 x AAA battery Product weight: 0.634 ounces Quantity: 1pcs Package content: 1*mini pen-shaped small flashlight 1.Ultra Bright: This mini penlight gives out max 150 lumens. Super bright in a dark or lit room and lasts quite two hours with moderate use(keep on) on just one alkaline battery(not included), sufficient to light your way and light small dark spaces. 2.Pocket Size: This flashlight is small and light enough to slip into a pocket, backpack or purse. Super Mini size is lightweight and small enough for EDC and fits in the palm of your hand. Only weighting about 30g. 3.Clip on Flashlight: With a clip, the pen light could also be used as cap light for your convenience. Easy to clip to your belt, remove it if you don't need it. 4.Skid-Proof Water-Resistant Design: Suitable for cycling, hiking, camping and other outdoor activities. Our flashlight set is made of high quality 6061T aluminum alloy with no worried using in rain, snow or emergency situations. 5.Safe and Warranty Guarranteed: High-Efficiency and Great Output LED Chip with over charging protection, short circuit protection and reverse connected protection.