NCV induction voltage, sound and light reminder, visible and audible. VA HD reverse display flashlight function. Handheld -screen digital smart multimeter. It has the advantages of fast measurement data, -screen LCD dual display, lighting, and convenient reading for users. It has functions such as overload protection and battery undervoltage indication. Whether it is for , factories, schools, hobbyists or home use, it is an perfect multifunctional instrument. 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: 143 x 75 x 19mm Colour:blue Material:ABS Package Contents: 1 x Digital Multimeter 1 x USB charging cablE 1 x Tip table pen 1 x Temperture probe 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.