Extech MN25 MiniTec Manual Ranging tester has a durable, small design, with multiple functionalities. The 7 functions include, but are not limited to Temperature, Capacitance, and Frequency. This meter has a 2000-count LCD screen and has manual ranging. It can test 1.5 volt and 9 volt batteries under load. This tester is CAT II-600V, CE & UL safety-rated.