• Glow in the Dark Digital Display
• Simply plug in to any outlet in your RV to measure AC voltage
• Use this device to monitor your voltage with digital accuracy
• Voltage below 108 or above 132, can damage your electrical devices
• Also suitable for boat/marine, household or office usage!
• Measuring range: AC current from 90 - 132 Volts
• Avoid using in a wet/damp environment
• Do not allow children to use as a toy