This product is a hand- -screen digital intelligent multimeter. It has the advantages of fast measurement data, screen LCD dual display, lighting, easy reading for users and other products. With overload protection and battery Under voltage indication and other functions. Whether it is used by , factories, schools, lovers or families, it is one Ideal multi-function instrument. It belongs to Class II pollution, and the overpressure standard is III 1000V. Specifications: 1000V . III Pollution level: 2 Altitude Less than 2000 m Working environment temperature and humidity: 0-40 ( Less than 80% RH, not considered when Less than 10 ). Temperature and humidity of storage environment: - 10-60 ( Less than 70% RH, remove the battery). Temperature coefficient: 0.1 accuracy/ ( Less than 18 or 28 ). Maximum allowable voltage between the measuring terminal and the earth: 1000V DC or 1000V AC Conversion rate: about 3 /second Display: maximum 9999 counts LCD display, automatic display according to measuring function gear Unit . Over-range indication: LCD will display "OL". Low battery voltage indication: " will be displayed when the battery voltage is lower than the normal working voltage. Input polarity indication: automatically display "-". Power supply: rechargeable lithium battery (3.7V/1000mA) Note: when the equipment is under power-on status Display "----", then unplug the charger and automatically switch to the normal measurement mode. Overall dimension: 143mm x 75mm x 19mm Material: ABS colour: blue Package Contents: 1 x Digital Multimeter 1 x Tip table pen 1 x Temperture probe 1 x USB charging cable 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.