The BLOODHUNTER® Spotlight is equipped with a rechargeable battery and comes with a 120-Volt wall charger and a 12-Volt car charger. How it Works: Red Light - for when you need a small area light that does not spook game and allows you to retain your night vision Green Light - for when you need a walking light that does not spook game animals and allows you to retain your night vision. BLOODHUNTER® Light - uses patent pending technology to produce a light output that optimizes the reflective properties of blood to the response of the human eye. Works Amazing!