Brand Name: UNI-T Model Number: UT15B Dimensions: 25.5 * 5 * 2cm / 10.04 * 1.97 * 0.79in Operating Temperature: as the description Measuring Range: 12-690V AC / DC Accuracy Class: as the description Display Type: Digital Only DIY Supplies: Electrical Power Supply: 2 * 1.5V AAA Batteries(not included)