Soft glowing ‘halo’ light, if it is solid white, the wiring in the pedestal is correct Automatic detecting, just connect your shore cable Easy to read blinking Red/Green LED circuit lights. Green is good, if the letter is blinking red it means a fault is detected Universal installation – no special tools are required. This works as a universal RV power inlet, available in both 30A and 50A versions Meets current RVIA reversed polarity detection requirements. Keep your RV safe!