Product Details:

Breaks the Acoustical Barrier with Clear, Reliable, Hands-Free Two-Way Conversation
Standard Unit Fits 1/4" to 1" (6 to 25 mm) Glass
Level 1 and Level 3 Bullet Resistant Models Adapt to Various Glazing Materials

The CRL Thru-Glass Two-Way Electronic Communicator is a self-contained, easily installed device that allows clear, intelligible two-way conversation while providing a level 1 Protection and Security. The unit is automatically activated when the clerk speaks for hands-free operation. Incorporating the finest electrical design, you can select either the 115V AC model, or the 12V DC battery powered model.

Color:  Satin Anodized Aluminum

Diameter:  5 in (127 mm)
Exterior Thickness:  1/2 in (12.7 mm)
Interior Can Thickness:  3-1/2 in (88.9 mm)

Minimum Order:  1 Each

Units are available in Standard or Deluxe Models with satin anodized finish. The Standard Model has a fixed gooseneck microphone. The Deluxe Model has a removable gooseneck microphone. Both adapt for use with the optional TTU1HS Hands-Free Headset.

All units are supplied complete with mounting hardware, instructions and power supply. Extension kit for glass thicker than 1 inch (25 millimeter) may be ordered separately.

Important Note:
This unit requires a three to four inch (76 to 102 millimeter) diameter hole for installation.