Model Number: DM90SMaterial: ABSDCV: 0.5~600VACV: 1~600VResistor: 1Ω~10MΩCAP: 600uF/6000uFHz: 10~1000HzDisplay: 6000 countsWorking Condition: 0~40℃, <;80%RHStorage Condition: -10~60℃, <;70%RH (remove battery)Battery: 3 * 1.5V AAA battery (NOT included) Features:Multiple Measurement Range: the meter is a portable intelligent one that can automatically identify the ACV, DCV, resistance and capacitance and choose the range accordingly.Easy to Use: the users with no professional physical knowledge can measure the technical data of electrical appliance easily.User-friendly Design: the meter has illumination, backlight function and magnetic adherence design can provide lots of help to air conditioner maintenance engineers.Easy-to-read Digital Display: the large LCD screen has analog display which can show the variation tends of the measurements. 5999 display makes the readings more accurate.More Functions: auto power-off, backlit, illumination, diode test, NCV test, live wire detect, true RMS, low battery indicator, alarm, etc., very versatile for the electrician and household usage.Packing List:1 * Multimeter1 * Pair of Test Pen1 * ManualNote: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!Please allow 1-3mm measuring deviation due to manual measurement.