Potter EVD-2 Vibration Detector High Security Bank Safe and Vault

The EVD-2, Electronic Vibration Detector System, is listed by Underwriters Laboratories, Inc. for primary protection of Mercantile or Bank, safe or vault, ATM machines and supplementary protection of interior units such as file cabinets, display cases, walls and ceilings. The System must be used with an appropriate UL listed control unit.
The standard EVD-2 system consists of a model EVD-M controller and a model EVD-R remote pickup.