The SEARS "SOLID STATE ELECTRONIC" TACH/DWELL/VOLT METER is a vintage engine analyzer tool from the United States. With the manufacturer part number 161.216500, this multimeter is designed to measure tachometer, dwell, and voltage readings for automotive engines. This working tool is ideal for diagnostic purposes and provides accurate readings for troubleshooting engine issues. Perfect for automotive enthusiasts or mechanics looking to analyze engine performance.