TTU-1DX remove
Description: Part # TTU-1DX - NORCON 12V DC Standard Thru-Glass Two-Way Electronic Communicator 
The NORCON TTU1DX Thru-Glass Two-Way Electronic Communicator with removable XLR michrophone and is a self-contained, easily installed device that allows clear, intelligible two-way conversation in locations where security must be maintained. The unit is automatically activated when the clerk speaks for hands-free operation. 12V DC battery powered. Bullet Resistant Model Available