Note:
1. Please confirm whether the batteries with correct polarity are installed correctly. (Batteries not included).
2. The black light UV flashlight will Not fluoresce Wet urine puddles or potty pads. It works with Dry urine.
3. It works best in complete dark environment, the darker it is, the better it works.
4. For few dark color carpets, the reflected stain color may will be very close to the color of the carpet, making it harder to see.
5. DO NOT point the Ultraviolet flashlight towards anyone’s eyes or look directly at the UV light. Use only under adult supervision.