Mastech MS8216 Super Slim Pocket Size Auto Range Digital Multimeter AC/DC Voltage Caps. Freq. and Resistor Checking Card Size Multimeter with 3 3/4 digits LCD with a max. reading of 3999 IEC-1010, CAT-II and pollution 2 Super thin and Palm stylish design for using everywhere to go with Data hold and auto power off Auto ranging on all functions