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.

Brand: RED WOLF
Warranty: 6 Month
UPC: 6926585401480
EAN: 6926585401480
Color: Black
Material: Durable ABS
Voltage: 12 V