Feature

●Multi-Tow Trailer Adapter. 7 way to 12 volt power adapter not only converts 7 way flat blade to a 4-way or 5-way trailer connector, also adapts 7 way into 12 volt power cigarette lighter socket
●12V Power Outlet. 12V power can be used to power air compressors, spot/flood lights, inverters, freezer, electric coolers in the back of your truck. Put 12v outlet where you need it, plug and play, much easier solution than running wires from battery to the truck bed
●Standard 4&5 Way Output. This adapter enables you to tow 4 way or 5 way trailer, adding versatile towing options for your vehicle. 4/5 way socket can be used to connect trailer taillights, brake lights, reverse lights and turn signals
●2 in 1 Design. This trailer light tester combines both 4 way circuit tester and 7 way trailer light tester, allows you to test both the 4 pin and the 7 blade connectors. Easy and quick to test trailer circuits on most trucks. ( Notes: ??The trailer tester will upside down when testing for 2017 Newer Ford/GMC/Chevy model ??7 pin trailer plug tester is unable to test LED lighting system ??Doesnt work with vehicle has a lamp-out sensor, such as BMW, VW, Audi, Mercedes-Benz, Porsche etc.)
●Bright LED Indicators. Plug in 4 way and 7 way trailer light tester equips a LED light for each electrical function. Plugging the light tester and check, you can easily read the green LEDs and find out which wiring has a problem


Description

Oyviny 7 Way to 12V and 4/5 Way Flat Trailer Adapter + 7&4 Pin Trailer Tester