Feature: 1. Portable RV Surge Protector: Quickly identify faulty power sources and provide 8000J surge protection for your electronic devices with the RV surge protector. The adapter circuit analyzer is used to detect wiring errors in the electrical system and provides ground safety functions. 2. Circuit Analyser: By using the circuit analyzer, you can assess the quality of your power supply before connecting it to the RV, by verifying that the power supply is wired correctly and helping to detect most wiring faults. 3. Detectable Wiring Issues: 30A RV circuit analyser diagnostic charts can indicate the following faults including correct wiring, open ground, open neutral, reverse polarity, heat/ground reversal and no power. 4. Safety Protection: FCC tested, V 1 flame retardant material and IP68 water resistant design ensure safer usage. The surge protector has a water resistant cover design to protect circuits from rain, wind, and sandstorms. The sturdy cover aims to reduce the risk of short circuits or fires. 5. Easy to Use: The RV plug is designed with an ergonomic power grip handles for safe and easy plug in and removal, featuring a right angle male connector for reliable low damage and low bend interface for your power supply. Specification: Item Type: RV Surge Protector Material: ABS, PVC fireproof material, silver plated copper hardware Rated Current: 30A . Package List: 1 x RV Surge Protector 1 x User Manual