Digitest 3 Pulp Vitality Tester Complete Kit with 4 Autoclavable Probe Tips. Portable, ergonomically designed electric stimulation tool with single button operation for single tooth vitality testing. Choose one of multiple test settings to accommodate your preference. Self-calibrating for quick easy setup. Kit contains pulp tester, 4 autoclavable probes (one each: standard long, standard short, labial, and lingual), ground wire & clip, and 9-volt battery. Complete unit