- 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: 7.38inchH x 10inchW x 10.4inchD - VALCOM POWER UNITS (N/A)