Trailer Tester, Compatible Trailer Type Semi-Trailers, Material Plastic, Connector Type 7-Way Round, Control Type Manual, Operating Voltage 12V DC, Features Short Circuit Protection, Turn Signal Simulation and Power Verification LED, Water-, Electrical Diagnostics Light Testing, Short Circuit Fault Detection, Wiring Diagnostics, Brake Types Tested Electric Brakes, Anti-Lock Brake Diagnostics Not Applicable, Number of Pieces 2, Mobility Portable Case WARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov. -