[4 Pack in Different Colors]TFSeven&reg; UV Flashlight Pet Urine Detector.Led Cordless Stain Finder for Detecting Dry Dog Cat and Pet Urine/Pee. TFSeven&reg; Stain Seeker Rated the Best Professional Quality Bright Led Cordless Light.PERFECT for Check Rooms UV-A flashlight shows hidden pet stains and other unfavorable spots on carpet or clothes Aluminum alloy casing with o-rings for water resistant design.as compared to 501B it has a belt clip Use it to authenticate notes, currency, documents, and passports CARES About the ENVIRONMENT and hope YOU DO TOO. We do not ship our lights with low quality Batterie A UNIQUE GIFT FOR ANY PET OWNER Men or Women What a Great way to surprise a friend with a gift they