REF: MM6499 1 x Fortress Technology mobile metal detector with alarm and belt stop reject system, mounted on a stainless-steel frame with castors ().Model - STEALTH.Serial number - ET4344.Aperture dimensions - 550mm wide x 325 high (237mm clearance/useable).Frequency - 75 kHz (suitable for fresh products only).Belt - Plastic mesh belt, 505mm wide.Overall dimensions - 1750mm long x 1050mm wide x 1340mm high.Electrical requirements - 230 V / 50 hz / 3 phase.