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

• 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