- Valcom bi-directional corridor speaker- 1 Watt- One way- Blends well with most environments- Easy install- Built-in amplifier- Built-in volume control- Weight: 6.4lbs.- Dimensions: 10.3"H x 10.3"W x 4.2"D- Light brown walnut (woodgrain) with an open weave grille- VALCOM POWER UNITS (-1)