Material: ABS Display: LCD Maximum Display Value: 2000 Digits Polarity Indication: Self-indicating, '-' means negative polarity Over- Display: 'OL' or '-OL' Sampling : The meter figures show about 0.4 seconds Automatic Off : 5 minutes Low Voltage Indication: LCD display Operational Temperature And Humidity: 0~40, 0~80% RH Storage Temperature And Humidity: -10~60 , 0~70%RH : 1.5V AAA x 2 ( Not Included ) Automatic : YES Full Measuring Overload : YES Continuity: YES ( If the resistance < 50the sounds ) V-Alert (NCV): YES Live / Neutral Wire Check: YES Flashlight: YES Auto Mode: Automatic identification of AC voltage, voltage, resistance Operating Altitude: 2000m Multimeter Size: 2.25 * 2.2 * 18.8cm / 0.89 * 0.87 * 7.40in (L*W*H)