Check the listing for details. Wireless Electrical Wire Circuit Tester V Tip Probe For Electrical 3-28V DC Cars. Condition: New. Listed at 50.99 USD. Item DescriptionThis 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.******************************************Customer satisfaction is our top priority. If for any reason you are not satisfied with your purchase, please contact us through eBay Messages prior to leaving feedback, we'll do whatever is necessary to remedy the problem and ensure your satisfaction! *****Trusted Seller*****