Overrange for protection for all ranges Accuacy is specified for a period of year after calibration and at 18 degree to 28 degree with relative humidity to 75% It includes 7 function with 25 Between Terminals And Earth Ground; 600V for DC or 500V Show Value: 1999 counts Polarity Indication:"-" indicates negative polarity Overrange Indication: Display" OL" or "-OL" Time: approx.0.4second Until showing of function and electrical capacity Specification: Auto Power Supply: 15min Temperature, Factor less than 0.1*Accuracy/Degree Operating Temperature: 0 Degree To 40 Degree(32F to 104 F) Storage Temperature: 0 Degree To 50 Degree(10F to 122 F) Circumstance Temperature: 235 Degree Relative Humidity:less than 70% Auto for DC 200mV, 2V, 20V, 200V, 600V 2V, 20V, 200V, 500V (Frequency 40-400Hz) for DC Current: 200uA, 2000uA, 20mA, 200mA Current: (Take it only as reference) 200uA(5% of rdg), 2000uA (3% of rdg), 20mA (5% of rdg), 200mA (3% of rdg) (Frequency 40-400Hz) Resistance: 200, 2K, 20K, 200K, 2M, 20M Diode Test: test current 1mA, test 1.5V Continuity: less than 80 Beeper Colour:As Shown Material:plastic Power Supply: 2 x 1.5V batteries (Not included batteries) Note: Please check as much as possible to make sure the item is what you need. The actual product may have slight color difference or difference, which will not affect the use Package Contents: 1 x Mini LCD Digital Multimeter (Without battery Two 1.5V batteries) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.