The small Extech 380950 is a mini AC/DC clamp meter. The 380950 has an extra-small diameter jaw that can reach into very small spaces while maintaining a 1 mA resolution and very low-current sensitivity. This amp clamp is used for critical troubleshooting duties in plant maintenance, electrical, HVAC, and telecom work, as well as residential, automotive, fleet maintenance, marine, and motorcycle electrical repair. Complete with test leads, two 1.5V AAA batteries, and a carrying box.