Universal Message Waiting Light

Compatible with any telephone system with standard DC message waiting voltages ranging from 90VDC to 120 VDCFully modular for quick plug-in installation by non-telephone personnelUnit's LED will blink at a steady rate when the message waiting voltage is detected.Flickers when the phone ringsAttractive stylingUniversal message waiting lightBrand: Viking, Model: VK-LM-1A