- Paging horn- 30 Watt- One way- Weather resistant- For high-noise environments- Built-in amplifier- Volume control included- Easy Omni-LockI-Beam clamp mounting system- Stainless steel hardware- 360* rotation- Shatter-proof base fits seven standard electrical gang boxes- Beige- Requires -48 Vdc 1A (or VC-VP-2048C power supply for 2 horns)- Weight: 5.8lbs- Dimensions: 7.38 H x 10 W x 10.4 D- VALCOM POWER UNITS (N/A)