Torch guides
How to read the numbers on the box, what the battery codes mean, and what to check before you buy a light for a hazardous area.
How to choose a torch: lumens, throw and runtime
Lumens are only one number. Here is how to read the box.
Torch batteries explained: AA, CR123, 18650 and built-in USB
18650 is not a model number. It is a battery size.
ATEX on the box does not mean approved on your site
How to read the marking, and the question to ask your site first.
What a 365nm UV torch actually shows you
Banknotes, pet stains, resin and the odd scorpion.
Nitecore model names decoded
MH, MT, P, GT. What the letters tell you.