Canada based GSCI develops and manufactures some of the world's most advanced image intensified night vision and thermal imaging equipment.

Choosing the right product can be a minefield especially when there are so many different variations and complicated terms, so we're hoping to make this easier for you by explaining some of the basics...

The XT21X from Klarus is such an extreme torch that it has two X’s in its name! The new XT range has generated a lot of attention in the tactical torch world and the XT21X is receiving much praise for its power, design and functionality. So let’s take a look at this new-comer to the XT range.