Digital Multimeter and Analyzer 1000V DC 750V AC Current Voltage Meter with Digital Display Item Type: Digital Multimeter Model: SNT18A Full Range Overload Protection Maximum Voltage Allowed Between Measuring End And Ground: 1000VDC or 750VAC Working Height: Approx. Maximum 2000m/6561.7ft Display: LCD Maximum Display: 1999 Polarity Indication: Automatic Indication. Indicates Negative Polarity. Out Of Range Display: "OL" or "-OL" Sampling time: Approx. 3 Times/Second Unit display: With Function, Power Unit Display. Automatic Shutdown Time: About 15 minutes when there is no letter. Power Supply: DC Power Supply 9.0V Static Operating Current: <2.0mA ( Without Backlight ) Battery: 9V6F22 x 1 ( Shipped Without Battery ) Low Battery Display: LCD Display Operating Temperature: Approx. 18℃-28℃/64.4-82.4℉ Storage Temperature: Approx. -10℃-50℃/14-122℉