- Push to talk button - Phone line powered - Vandal resistant, stainless steel faceplate with heavy-duty metal call buttons - Non-volatile E2 memory (no batteries required) - Touch Tone or pulse dialing - Programmable to dial up to 5 numbers on busy or ring no answer - Red off-hook LED indicator - Hangs up on CPC, silence, busy signal, return to dial tone, time out or a Touch Tone command - Programmable to auto-answer on incoming calls - Remotely programmable - Extended temperature range (-15?F to 130?F) - Flush mountable using included plastic rough-in box - E-30-EWP has EnhancedWeather protection - Optional VE-5x5 surfacemount back box - E-30-EWP conforms to NEMA requirements