- Viking SS handsfree phone with key pad- Vandal Resistant Features: 14 gauge louvered stainless steel faceplate with stainless steel speaker/mic screen heavy duty metal keypad and “call” button - Optional enhanced weather protection (EWP) - Yellow “in use” LED - Volume adjustments for microphone and speaker - Advanced call progress detection: disconnects on busy signal return to dial tone CPC reorder tone maximum call time out and selectable silence time out - Selectable auto-answer feature - Selectable push button disconnect - Zinc plated steel rough-in box with (2) 3/4” conduit knockouts - Optional VE-6x7 surface mount box available - Selectable maximum call time - Selectable VOX switching speed - 1 Year manufacturer"s warranty VKK17003