5 in Apollo Pro Halogen lights deliver 196 lx at 10m of light output with a beam distance of 280 meters. The Apollo Pro's optical glass lens computer designed polished optical reflectors and powerful 55W Halogen bulbs combine to produce super bright light output. Not only is there more range and power but also improved clarity. The Apollo Pros were created for the most demanding off road terrains. Featuring an IP67 rated Polymax housing and built in stone guards these lights are engineered to last and perform for years to come.