Zebra's ZQ500 Series just got tougher. The premium ZQ521 printer gives you best-in-class, rugged mobile printing for applications in any industry. Experience ultimate durability. Engineered for tough, demanding indoor and outdoor conditions, these printers can withstand significant drops, tumbles, accidents and environmental extremes that are common in mobile workplaces. Additional features, enhanced durability and military-grade design mean this printer will work as hard as you do.