Mastech and OEM by Tekpower MS8222G 31-Range Digital Multimeter with Temperature, Capacitance ,Frequency and More..Full Features AC/DC V/A + Resistance + Capacitance + Frequency + Temperature + Continuity Back-lit Display with 40-segment Bar Graph & maximum reading of 1,999 CAT II 1,000V Standard with full protection and all ranges fused Date hold + Auto power off 1-Year Manufacturer's warranty