Features:Brand new and high quality.Range: AC75-300V ( Measure the Power Supply Directly ).Display: three 0.56 "LED digital tube.Display color: BLUE.Refresh rate: about 500mS / times.Maximum input: <1.2 times range.Accuracy: 1 %(+/- a digit).Power supply: AC75v-300V.Operating temperature: -10 ?? c ~ 65 ?? c.Size:7.1cm x 4.2cm - 2.79inch x 1.65inch.Now the stock we have is the upgraded version， which is suitable to Power AC 60V-500V. Therefore we will send this upgraded version instead of the original ones.Package Included:1 x Digital Voltmeter AC 75V-300V LED BLUE Digital Panel Meter NO Retail Box. Packed Safely in Bubble Bag.