POWER UP on the brightness to find those sugar bug villains! The wireless Hero Loupe Light focuses its light rays efficiently to create a uniform beam of light. Being able to move freely and cordless, the hero can travel from operatory to operatory without being tangled. Comes with two wireless batteries that are magnetically charged! Just snap it on and go. Weigh only 20 grams and cost a fraction of what other companies charge. Battery lasting 2-4 hours, depending on which illumination intensity setting you use.