Astro Pneumatic AP 7760 Cordless Circuit Tester

This Unit Does Not Require Ground Wire Or Clip And Is Safe With Ecms, Sensors, Transducers, Airbags, Etc. Designed To Be Used On Dc Powered Circuits With Voltages Between 3 And 28 Volts. Special Designed V-tip Needle Allows Safe Piercing And Prevents Side-slipping When Piercing Wire S Insulation. V-tip Can Be Removed To Test Hard To Reach Places. Unit Works With Replaceable Long-life Alkaline Batteries. Made Of Rugged Chrome Metal.