This high accurate multimeter is an professional tool for Circuit detection, voltage detection, circuit construction use. Made by material, give it more longer service life than your imagine. Powered by 9V battery, no extra power require. Backlight function let the user more easy to use it in gloomy enviorment. Feature -Measure voltage, current, resistance, capacitance, frequency, temperature, etc. - Large screen LCD display, high contrast, full display clearly. - With backlight and flashlight, suitable for operation in dark surroundings. - The magnetic suction function ensures that the multimeter adheres to the metal surface and does not have to worry about falling down. - 9V battery powered(Not Included), easy to use and replace. Specification - Color: Blue. - Material: LCD+Plastic+Electronic Component. - Size: 13 x 6.2 x 3cm. -Maximum voltage between terminals and earth ground: 600V DC or 600V AC. - Fuse protection: F 250Ma/250V Self-restoring fuse. - Power: 9V battery, NEDA 1604 or 6F22. - Display : LCD, 1999 counts, updates 2-3 times per second. - Measuring method: Dual-slope integration A/D converter. - Over range Indication: Only figure 1 on the display. - Poladty indication: -display for negative polarity. - Operating Environment: 0 to 40. - Storage temperature: -10 to 50. - Low battery indication: appears on the display screen. Warm Tip: Dear buyer, Due to lighting effect, monitor's brightness, manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand Thank you