American Motorhome RV AC Line Voltage Meter 55263

Plug-in meter that provides a continuous, real-time reading of incoming AC line voltage from any 120V wall receptacle. Designed to be left permanently plugged in to monitor for brown-out or over-voltage conditions that can damage sensitive appliances, air conditioners, and electronics. Voltage: 120V AC Display: Analog colored scale — green zone indicates safe voltage range, red zones warn of under/over-voltage Use: Plug directly into outlet, leave in place for continuous monitoring