GeoMax products are built to withstand all environmental conditions. And they prove it with a 3-year cover-all warranty. GeoMax equipment is built with the intention to withstand all conditions you run into during your daily work. Rain, hail, snow or intense heat will never affect your GeoMax equipment, you can always keep working to get the job done. Economic and firm entry level laser rotator. With a solid-built housing and a straightforward interface, this laser offers all functions needed for regular and flexible use. The Zone20 H packages come with your choice of detector included in the price - conveniently choose the right package for you and your job needs.