- Viking stainless steel handsfree telephone with keypad and enhanced weather protection- Vandal resistant features: 14 guage louvered stainless steel faceplate with stainless steel speaker/mic screen heavy duty metal keypad and "Call" button- Enhanced weather protection- 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- K-1700-3-EWP conforms to NEMA requirements- Made in the USA- 1 Year manufacturer"s warrantyVKK17003EWP