Crday Sturdy and Long Time Service: our black light torches are made of quality aluminum alloy, solid and well constructed, scratch and fade resistant, sturdy enough to support a long time of applications, and these LED lights use 9 LED bulbs powered by 3 AAA batteries (not included), and easy to replace the battery when they run out of power . Crday Reliable and Useful: these battery powered black lights can help you find fluorescent whitening agents contained in your clothes, ensuring your safety, besides, they can detect food stains and pet urine stains on carpets, also suitable for checking hotel rooms, antiques or gas leaks . Crday Ideal for Outdoor Activities: these UV LED flashlights are essential tools for some outdoor events, such as hiking, mountaineering, camping, hunting, picnic and any other outdoor activities, our torches can provide you withlight and protect you away from the dangerous creatures . Crday Compact and Portable: each black light flashlight measures approx. 3.3 x 0.9 inch, light in weight and compact in size, convenient to put in your pockets, backpacks, handbags, etc., allowing you to use it anytime and anywhere, and also comes with a wrist strap for easy portability . Crday Package Includes: the package contains 2 pieces of portable UV lights with 9 LED brightness, and our UV flashlights are designed with 2 colors, black and blue, different colors are easy to distinguish, and sufficient quantity to meet your daily needs, you can also share with your friends .