Specific Uses for uv Flashlight: The uv flashlight can be used for dog/cat urine detection; Find scorpions, tomato hornworms, bed bug; Resin/uv glue curing; Bathroom stain detection; Find uranium glass; Light up uv paint; Find fluorescing rocks and mineral (opal, yooperlite, flourite, sodalite, calcite). It is an indispensable and powerful helper in your life. High Power: The uv flashlight has 21 LED lights each emitting 45 uW/c? of uv radiant intensity. That's a whopping total of 945 uW/c? of uv intensity at 395nm. Product Quality Commitment: We examine each uv led for the correct color temperature and uv output range. We don't turn a blind eye to any that don't make the grade, instead we throw away "factory rejects". Market Adoption: Waklyte currently serve commercial applications and industry sectors in NDT, Aviation, Oil Gas, Automotive, Adhesive curing, Manufacturing, Hospitality, Fishing, Mining, Agriculture, Hygiene-level monitoring, and more. Flashlight Dimensions: 3.8 x 1.6 x 1.1 Inches / 9.7 x 4.1 x 2.8 Centimeters; 2.8 Ounces / 79.4 Grams. Waklyte mini uv Flashlight is small and powerful, you can put it anywhere in your pocket for convenient access. Battery Type Required: 3pcs aa batteries(Not Included), in order to keep the flashlight's lifetime, if you did not use it for a long time, please put off the battery.