Escolite UV Flashlight Black Light – 51 LED 395 nM Ultraviolet Blacklight Detector $5.98 AC @Amazon

https://www.amazon.com/dp/B008133KB4
Coupon code: MYTC9LNE
3 AA Standard Alkiline Battery(Not Included),Voltage:4.5V (Rechargeable battery is not recommended!)
51 UV LED allow to cover a larger area.Emits 390 to 395 nanometer wavelength.
Perfect for outside use such as finding scorpions and minerals!