![TIL there is such a thing as a "pee detector" in some elevators to prevent public urination and it locks you in the elevator if it detects urine. : r/todayilearned TIL there is such a thing as a "pee detector" in some elevators to prevent public urination and it locks you in the elevator if it detects urine. : r/todayilearned](https://external-preview.redd.it/WCUNrvKH2T1664SruBcngvKbmY5q4xSLbF-UqX2MoO0.jpg?auto=webp&s=5afdb0ecd45dc933a33064ce8afc8fa4269b5682)
TIL there is such a thing as a "pee detector" in some elevators to prevent public urination and it locks you in the elevator if it detects urine. : r/todayilearned
![Amazon.com: PeeDar 2.0 UV Pet Urine Detector Black Light Flashlight + Cat & Dog Behaviorist Book + 3 AAAS. Ultra Bright Optimal 380-385NM LEDs Find Invisible Stains Instantly! Rid Cat, Dog Pee Amazon.com: PeeDar 2.0 UV Pet Urine Detector Black Light Flashlight + Cat & Dog Behaviorist Book + 3 AAAS. Ultra Bright Optimal 380-385NM LEDs Find Invisible Stains Instantly! Rid Cat, Dog Pee](https://m.media-amazon.com/images/I/6149tPznP6L.jpg)
Amazon.com: PeeDar 2.0 UV Pet Urine Detector Black Light Flashlight + Cat & Dog Behaviorist Book + 3 AAAS. Ultra Bright Optimal 380-385NM LEDs Find Invisible Stains Instantly! Rid Cat, Dog Pee
![Herwey Blacklight Flashlights, Pet Urine Detector, Black Light For Urine Detection UV Flashlight, For Dry Stains For Dog Urine - Walmart.ca Herwey Blacklight Flashlights, Pet Urine Detector, Black Light For Urine Detection UV Flashlight, For Dry Stains For Dog Urine - Walmart.ca](https://i5.walmartimages.com/asr/0b5d9e38-49f3-4855-9987-68290c31024b_1.43921316636d2f5dff58a65c2eb92166.jpeg?odnHeight=612&odnWidth=612&odnBg=FFFFFF)