Description: Power pedestal tester fuction- a energy 30A/50A rv circuit analyzer with led indicator light is used to verify if the power source is correctly wired. Plug the circuit analyzer into tthe power, different combinations of indicator lights show different power status. Compact and portable, easy to connect and remove., suitable for for RV, Camper, Travel Trailer, etc. Surge protection, RV adapter circuit analyzer are used to detect whether electrical piles in campground are wired wrong, 30A/125V RV surge protector up to 1050 joules, 50A/250V RV surge protector protect up to 3150 joules. Circuit analyzer housing use flame retardant material, good conductivity, safety and avoid short circuit. Specification: A Product name: 30A RV circuit tester Description: 30A/125V RV circuit tester Plug/Socket Type: TT-30P B Product name: 50A RV circuit tester Description: 50A/250V RV circuit tester Plug/Socket Type: 14-50P C Product Name: 30A RV Surge Adapter Product model: FC9314 Description: 30A/125V RV surge adapter Plug/Socket Type: TT-30P / TT-30R Rating: 22,500A maximum peak current, 1,050 joules. D Product Name: 50A RV Surge Adapter Description: 50A/250V RV surge adapter Plug/Socket Type: 14-50P / 14-50R Rating: 45,000A maximum peak current, 3,150 Joules. Size Chart: A Size: approx. 66x58x100mm / 2.59x2.28x3.94 inch B Size: approx. 66x70x109mm / 2.59x2.75x4.17 inch C Size: approx. 66.2x70x100.5mm / 2.60x2.75x3.95 inch D Size: approx. 79x94.5x106mm / 3.11x3.72x4.17 inch Package Includes: 1 Piece Power Tester/ Surge Protector