Length 2000 mm Width 330 mm Gear motor 0.55 kW Modular belt Frequency converter Metal detector Stealth 550 mm x 450 mm Technical data of the metal detector: Fortress Technology Stealth metal detector (England) Aperture size Aperture width 550 mm Aperture height 450 mm Basic sensitivity - for metal (Fe): ball diam. ≥ 1.25 mm - for stainless steel (SS): ball dia. ≥ 1.87 mm - for (No-Fe): ball dia. ≥ 1.77 mm