https://www.amazon.com/BYB-Detector-Blacklight-Flashlight-Clothes/dp/B011XE3UW6/ref=sr_1_1?ie=UTF8&qid=1468910940&sr=8-1&keywords=byb+UV+Urine+Stain+Detector

sharing because:
Acceptable Price & lamp; Highest Quality:
- The BYB 12 LEDs UV Flashlight is sold 2 pack set
- Only $8 after coupon PL64VPQH
- Gray/Black matte finished
- Machined aluminum case build
- On/Off: Push button tail switch
- Batteries: 3x AAA Battery (not included); Last for 6-8 hours