Viking Electronics VK-SP-398 E-10A with an E-30 faceplate and LED

- 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
14 gauge louvered 316 stainless steel faceplate
- LED