The Extech 380941 is a 200 Amp micro AC/DC clamp meter with a small diameter jaw that can reach into small spaces while giving 10mA resolution (DC) and extremely low-current sensitivity. This tiny clamp meter can be used to diagnose plant maintenance, electrical, HVAC, and telecom issues, as well as residential electrical, fleet maintenance, marine, and motorbike repairs. The 380941 has a CAT III 300-volt safety certification and a one-year warranty. It comes with batteries and a manual.