New Upgraded 18000J Surge Protector: This 50 Amp RV surge protector waterproof provides a protection level of 18,000 J, which can carry more RV equipment and high-power appliances, providing protection and grounding safety for systems Safety Protection Certification: Safety-certified and User-friendly surge protector, extremely safe and reliable. This can prevent damage to your RV equipment Safety Protection: The RV camper surge protector 50 Amp is equipped with flame-retardant materials and waterproof design. It can protect circuits from extreme weather such as rain, wind, sandstorms, etc Simple Plug and Play Solution: This 50 Amp surge protector for RV features a user-friendly design. Simple and easy to use, plug and play safely and easily Customer Service: We provide great product service support and 24-hour customer service of 50A RV surge protector. If you have any questions, please contact us at any time and we will do our best to provide you with a satisfactory solution