Comparison : Item # 800-012012, HazardPRO XS, 15 inch Touchscreen, Monitors 4 Machines/Conveyors
Item # 800-012011, HazardPRO XM, 15 inch Touchscreen, Monitors 16 Machines/Conveyors
Item # 800-021010, HazardPRO XL, 21 inch Touchscreen, Monitors 32 Machines/Conveyors