The Primetest 100 is a functional, diverse and highly useful tool. Featuring three operational modes, it is an ideal choice for those looking for an easy to use, comprehensive unit. Simply pushing a button will give you the option of either PAT Test mode, Class I and Class II, IEC Lead Test mode or Power Socket mode. To further add to its easy operation, a bright display shows the test results values as well as PASS or FAIL indication. It is battery powered to help users be quicker and more efficient in their work.