The Magnascanner MS 3500 security metal detectors are built for maximum security with a minimum of maintenance. These heavyweight champs are built to withstand outside weather conditions or rough handling anywhere and yet give reliable screening at all times. These metal detectors are designed specifically to stand up to the everyday demands of jails, prisons, public offices, schools and other facilities. Microprocessors in the detectors are used in both the detection and control circuitry to give more sensitivity to weapons screening. The uniform, head-to-toe coverage provides for precise target evaluation. The security metal detector also features excellent sensitivity, stability and noise rejection. Visit our company web page to place an order for our products.