Hazardous Area Telephone Call Waiting No Overall Depth 4 in Speakerphone No Overall Height 12 in Voicemail No Overall Width 9 3/4 in Volume Control Yes Indoor/Outdoor Usage Outdoor Standards cULus 20140826-E357080 FCC Part 15 Class A IEC 61000-6-2 2005 Industry Canada ICES-003 Class A Number of Handsets 1 Number of Lines 1 Mounting Location Wall Caller ID No Enclosure Material Stainless Steel Enclosure Rating NEMA 3R Includes Enclosure Yes Facility Type Commercial