Protect your RV and its electronics with this upgraded surge protector, featuring 12000 joules of robust protection against high/low voltage, weather-related surges, and power failures. As a 30AMP RV circuit analyzer, it verifies correct wiring and detects common faults (open ground, reverse polarity, no power, etc.) before you connect, ensuring safe power supply every time. Crafted with flame-retardant materials and IP68 waterproofing, it's weatherproof and fire-resistant, while the ergonomic right-angle male plug enables easy plugging and unplugging-making it a reliable, user-friendly essential for RV enthusiasts. Material: Acrylonitrile Butadiene Styrene (ABS).