STEELMAN 97217 Digital 12-Volt Battery Load Tester TEST 12V BATTERIES - Test multiple aspects of 12V battery systems up to 1000 CCA MICROPROCESSOR CONTROLLED - Microprocessor control for easy and accurate load testing AUTO SHUTOFF - Automatically turns off load after 10 seconds 3-STEP DESIGN - Unique 3-step design: LED polarity checking function, battery load test, and charging system test BRIGHT LED DISPLAY - Bright and easy to read LED digital display indicates both voltage and test results DURABLE STEEL CASE - Durable ventilated steel case protects inner components from damage HEAVY DUTY LEADS - Heavy duty and fully insulated clamps and wire leads with side-mounted storage brackets ONE HANDED OPERATION - Top mounted push switch allows for one handed operation