This plug-in voltage monitor displays your RV’s shore-power quality with a simple colour-coded system: green indicates safe operating voltage, while red warns of damaging levels. Plug it into any outlet and get instant digital confirmation that your electrical system is within safe limits.

• Monitors AC line voltage
• Digital display with dual LED indicators (green/red)
• Operating range: 90 to 132 volts
• Plugs into standard RV wall outlets
• Patent-pending design
• 1-year limited warranty