Progressive Industries Smart Surge Protectors is a portable RV surge protector with the added benefit of a built-in polarity tester. The built-in surge indicator notes the condition of the surge protector. Additionally, the polarity tester (dual line for 50A) checks the status of the power source prior to use. Units are sleek, compact and the portable design makes them easy to use and store. No installation is required. This unit is designed for outdoor use.

 PROP 65 WARNING: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling. For more information, visit www.P65Warnings.ca.gov