Viking VK-SP-407 E-10a With Ss Faceplate And Ve-5x5

- Alternate action call button to place or cancel a call- Intelligent call progress detection for automatic hang-up on CPC, silence, busy signal, or time out- Telephone line powered- Weather resistant features: mylar speaker, gaskets, internally sealed push button switch, UV stable exterior, enamel coated PCB- Adjustable microphone and speaker volume- Programmable maximum call length- Selectable auto-answer feature allows remote monitoring- Two way handsfree communication- Programmable VOX (mic/speaker) switching speed- Vandal resistant, black powder painted, aluminum face plate with heavy duty 316 stainless steel call button and mounting gasket- Flush mountable using included plastic rough-in box part # 259576- Surface mount with optional VE-5x5