Viking Stainless Steel Emergency Phone- ADA Compliant- Grade 2 Braille Lable for visually impaired- Flush Mount- Handsfree- Dialer Announcer- Non-volatile digital voice announcer with 16 seconds of voice memory- Advanced call progress detection- Phone line powered- Non-volatile E2 memory (no batteries required)- Touch Tone or pulse dialing- Dials up to 5 emergency numbers- Cycles through backup emergency and non-emergency numbers on busy or no-answer- Hangs up on CPC - silence - busy signal - dial tone - time-out or Touch Tone command- Programmable to auto-answer on incoming calls- Remotely programmable- Extended temperature range (-15°F to 130°F) - Central Station Monitoring capability (dials 2 numbers)- Separate central station voice speed dial number- Optional PB-100 Polling System availableVKE160030AFeatures:Size: W 7.5 H 4.5 L 7.5