Astro Circuit Tester Cordless 7760 & 3-48V Wide Range Circuit Tester 7764

7760 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 7764 Computer Safe with Backlit LCD display for accurate voltage readouts Small, ergonomic design for easy use in confined areas For use on cars, boats, trailers, vans, RV's, motorcycles, airplanes and snowmobiles Needle-sharp stainless steel probe allows for easy piercing Use to check electrical circuits and accessories on all 3-48 volt systems