Gentle Pulse analog pulp vitality Tester is a handheld, battery-powered dental diagnostic device that identifies a living tooth by stimulating it with a weak electric current. Features: - Minimal patient discomfort. - Analog dial controls strength of electrical signal delivered to the tooth. - Turns itself off after 5-6 minutes of inactivity. - Comes with two autoclavable probe tips. - Runs on easily replaceable 9-V alkaline battery. **For further product information, please contact Chat Support**