13-pin trailer connection tester for 12 V systems

This tool is presented for checking compatible European-style trailer plugs, sockets and wiring connections.

Listed application: 13-pin, 12 V trailer wiring.
Copper or nickel-plated copper contact versions mentioned.
Status LEDs and test button indicated.
Listed dimensions: length 215 mm, plug 60 × 36 mm and socket 48 × 42 mm.
A 9 V battery compartment is indicated; battery inclusion is not confirmed.

Confirm supported tests, wiring pinout and power requirements before use. The source's flame-retardant, corrosion and pressure-resistance claims have no supporting test data here. Do not treat an indicator result as proof of all trailer electrical functions or a safe connection; follow the tester and vehicle instructions.