The industry leader for more than 20 years, the Garrett Super Scanner is backed by ongoing state-of-the-art Garrett engineering. Perfect for checkpoint security, the Super Scanner's 9" swath permits rapid and accurate scanning without body contact. Self-calibrating, digital microprocessor technology eliminates the need for periodic sensitivity adjustments. Rugged, high-impact ABS case exceeds Mil-Std-810F (drop test) Method 516.5, procedures II and IV. Now comes with visual, audible and silentvibrating alarms. Super sensitive portable metal detector meets current NIJ602.02 specs which call for on light (Green), low battery light (Amber) and visible-audible alarm light (Red).