Tekpower TP8268 AC/DC Auto/Manual Range Digital Multimeter with NCV Feature, Mastech MS8268 Upgraded, MS88 The Tekpower TP8268 is Upgrade model of MS8268,an auto/manual ranging digital multimetera, newer version of MS8268 belongs to MS8261 series With many great features such as NCV and back-lit LCD Screen DC 1000V/20A 200KHz 200uF 40Mohm Relative Measurement hFE Diode Check Continuity AC 750V/20A, Audible on short circuit&lt;60 ohms Relative Measurement for the ranges, Tekpower 1 year warranty In USA