Bushnell Nitro laser rangefinders can range up to one mile and beyond. Forged polymer armor housing and EXO Barrier protective coating on the lenses ensure that Nitro laser rangefinders perform, rain or shine. Exclusive EXO Barrier Protection -protective lens coating molecularly bonds to the glass, repelling water, oil, dust, debris and preventing scratches. Scan mode will scan across the landscape while viewing a continuously updated LCD display of the distance to the target. Brush mode, ignores foreground objects â?? brush, tree branches, etc. â?? and provides distances to background objects only.