Garrett brand metal detector with 9 volt battery power can be recharged. The detector is easy to operate and is able to detect various types of metals, dangerous metals that are brought by visitors in public places. Example: malls, hotels, offices, exhibitions, schools. Detectors are used by security personnel to ensure everyone entering certain areas is free from pistols, bombs or sharp weapons. This detector device is commonly used by security, police, security guards, team of gegana. The detector detector measures 42 x 8.5 x 4 cm.