ITEM NAME:12V Resistance Adaptor Tester Trailer Plug And Socket Connector Tester fgd ZMX Descriptio n Description: Material: ABS=Copper Model; 7-hole trailer plug Applicable models; 12V resistance adaptor tester 7-core trailer plug and socket connector tester Voltage; voltage output 12W Use; resistance test Adapted model; trailer Colour: Black Size: 16*15* Package included: 1Pcs Automotive circuit tester Note: 1.As different computers display colors differently, the color of the actual item may vary slightly from the above images. 2.Please allow 1-3 CM differs due to manual measurement. Thanks for your understanding. We offer you what you need! Automotive circuit tester.Applicable models; 12V resistance adaptor tester 7-core trailer plug and socket connector tester. 1Pcs Automotive circuit tester. Automotive circuit tester. Model; 7-hole trailer plug. Adapted model; trailer.