The Perma-Vault PRO-20 is a horizontal mounting, front loading drop box equipped with a safe deposit lock that fits neatly under a counter. The minute you deposit cash or checks inside this drop box, Perma-Vault goes to work protecting your money from robbery or employee theft. It can be placed in a convenient location such as under a counter and has an easy to use cash slot that you won't have to unlock in order to deposit cash.