ITEM NAME:Digital Backlight Multimeter Automatic Range 4000 Counts Voltage Meter Tester Product Description Description: Features: 1. Automatic range 2. Automatic shutdown 3. 550V High Voltage Protection (Except Current Gear) 4. High precision display of 4000 counts 5. Backlight display, anti-breaking bracket Specifications: Shell Material: ABS Product size: 130*65*32mm/5.12*2.56*1.26" Batteries: 2 x AAA batteries (not included) Working environment: 0-40℃,