- Universal Message Waiting Light
- Compatible With Any Telephone System With Standard Dc Message Waiting Voltages Ranging From 90vdc To 120 Vdc
- Fully Modular For Quick Plugin Installation By Nontelephone Personnel
- Unit's Led Will Blink At A Steady Rate When The Message Waiting Voltage Is Detected.
- Flickers When The Phone Rings
- Attractive Styling
- Easy Retrofit Mounting
- Works With Nearly All Message Waiting Voltages
- Not Compatible With Any At&t Phone System
- Brand: Viking Electronics
