For dog training the special collars, such as PetSafe, are often used. HQRP® set of 10 batteries will provide the extended operation period of your pet collar! Thus you can always be sure that your training will not be interrupted by the battery in the collar running low! HQRP® 9 LED UV flashlight! Powerful flashlight with 365nm wavelength, Most of ensuring that the glow of fluorescent materials. The urine of many animals, including dogs, cats and rodents will fluoresce under UV. To determine urine presence, simply illuminate the area in question with a UV light. Dry urine glows a blue-white if fresh to a yellow-white if old. Do not look into this device while operating nor shine in any persons eyes!
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