G4142 Digital Engine Analyser. Digital Multimeters with Special Notes for Automotive Diagnostics and Troubleshooting21 Function Multimeter with Large Clear LCD Display. - Safe on electronics. - Overload Protection. - Automatic Overload Indicator. - Automatic Reverse Polarity Indicator. - Automatic Low Battery Indicator. - Automatic Zero Adjustment. - Detatchable Plug-in Probes and Crocodile Clips. - Full Instructions.The Full instructions include many clear diagrams, showing how to set the function switch and how to connect. Digital Multimeters with Special Notes for Autmotive Diagnostics and Toubleshooting. 21 Function Multimeters with large clear LDC dsiplay. Safe on electronics. Overload protection. Automatic- Overload indicator/ Reverse polarity indicator/Low Battery indicator Zero adjustment. Detachable plug-in probes and croc clips. Full instructions. PP3 9V battery included.PLEASE NOTE This item is an old stock clearance so the boxes on some items are slightly imperfect however the items are all in perfect condition.