... . Have leather cover, convenient to carry, light and good appearance, suitable for various metaldetection sites. APPLIATIONS ... examination sites, government offices, airports, various game sites and public places.Prisons, detention centers, public organs, courts, ... .-Can detect various metals, such as: Copper, Ferrous and Tin etc. SPECIFICATIONSTypeMD-3003B1Detection Distance1.0inch / 5.5cmAlarmSound ...