Check the listing for details. Test-um Testifier TP350 UnTested NEED Battery. Condition: Used, Made in United States. Listed at 34.00 USD. The Test-um Testifier TP350 is a cable tester and tracker designed for use in various industries. With the brand being Test-um, this product is known for its quality and reliability in testing and measuring electrical cables. This particular model is untested and may require a battery replacement for optimal performance. Despite this, it is a valuable tool for professionals in the field looking to ensure the functionality and integrity of their electrical systems.