Viking Electronics VK-SP-407 E-10A with a stainless steel face plate

- 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