The model 80406LTS plugs into a standard household electrical outlet and displays the line voltage. Only voltages in the range of 90V to 150V are shown. This leaves more room on the meter face for better resolution.  

• Color-coded analog scale provides graphic indication of safe and potentially damaging input voltage levels.
• Voltage range:  90-150 VAC
• Input frequency range:  50-70 Hz
• Accuracy:  +/- 4% of full scale
• Module size:  2-1/8" W X 3-1/4" H X 1-1/8" D