Features: Valcom spot sound masking speaker Reduces the possibility of conversations being overheard in hallways, private offices, pharmacies, examining rooms, waiting rooms Creates an environment where individuals right to privacy is respected without burdening staff or compromising abilities to provide care Reduces intelligibility of oral conversations Self-contained speaker includes built-in white noise masking sourceand amplifier Front panel volume control adjustment for proper operation Integral Plenum ceiling back-box meets or exceeds ASTM E84 flame andsmoke test Baked enamel scratch resistent finish Utilizes standard CAT3, CAT5, or CAT6 cable for operation Easy lay-in ceiling installation in 2x2 or 2x4 ceiling tile grid Installation junction box provided Includes power supply Height: 4.25 inches Length: 26 inches Width: 24.5 inches Color: White RoHS Compliant: No Type of Packaging: White Box