Here are the three UV flashlights I have purchased so far.
1. Inova X5MT-WUVT High Powered Ultraviolet LED Flashlight
US$40.45
2. Ubesta 3-in-1 15+1 3xAAA Flashlight
US$11.56
US$11.56
3. UltraFire® 3w Ultraviolet LED Flashlight 
US$7.46
First, I tested them, one by one, on a RM10 note, followed by a RM1 note. I think this image speaks for itself.
The most expensive one of the three i.e the Inova X5, gives the best result, followed by the 3-in-1 UV/LED/Laser Pointer flashlight.
However, the 3W UV flashlight is great for search work in the jungle at night though since it is the most powerful of all three. You can probably spot a scorpion that is 15 feet away with this one, whereas with the other two, the UV light probably won't reach anything more than 5 or 6 feet away.
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US$7.46First, I tested them, one by one, on a RM10 note, followed by a RM1 note. I think this image speaks for itself.
The most expensive one of the three i.e the Inova X5, gives the best result, followed by the 3-in-1 UV/LED/Laser Pointer flashlight.
However, the 3W UV flashlight is great for search work in the jungle at night though since it is the most powerful of all three. You can probably spot a scorpion that is 15 feet away with this one, whereas with the other two, the UV light probably won't reach anything more than 5 or 6 feet away.
