Our ferrous and non-ferrous metal detectors function on disposable batteries as well as on rechargeable batteries for extended operations and effective performance. They are designed to detect different kinds of metals in any state when the people are scanned through them. These are low weight and strong detectors outlined to detect hidden objects on any material or a person. The provided ferrous and nonferrous metal detectors come with extra strong sensitivity that can detect metal of even 0.1 gram. These can also detect small quantities of stainless steel, copper, mild steel, Platinum, gold and silver.