Telephone Call Waiting No Overall Depth 3 1/4 in Speakerphone No Overall Height 10 in Voicemail No Overall Width 5 1/2 in Volume Control Yes Indoor/Outdoor Usage Indoor Standards FCC IC UL Listed Number of Handsets 1 Number of Lines 1 Cord Length 29 in Mounting Location Surface Caller ID No Enclosure Material Stainless Steel Includes Enclosure Yes Facility Type Healthcare Includes Mounting Hardware Yes Maximum Operating Temperature 140 Degrees F