Features: Multifunctional Multimeter: it has the function of measuring AC/DC voltage, AC/DC current, resistance, zero fire wire detection, on/off beep, etc. One-key Measurement: simple panel, automatic recognition, no need to change gears. Conveniently Data Checking: large LCD screen with backlight display, it also has data hold function for you to write down the data unhurriedly. Innovative Storage Design: the back side of the multimeter designed with slots for storing the test pen, very convenient for test pen storage. Compact Portable Size: mini body with full function, easy to operate with single hand, and its back with a bracket for free-stand on the table. Anti-drop Silicone Shell Material: effectively protect the meter from damage, give you a full sense of security. Other Features: NCV non-contact induced voltage, flashlight, automatic shut-down, etc. Specifications: Material: ABS On/off Beeping: Yes Data Hold: Yes NCV Detection: Yes Zero Fire Wire Detection: Yes Automatic Identification: Yes Auto-off: 15 minutes Display Screen: LCD with backlight Max. Display: 4000 counts Power Supply: 2 * 1.5V AAA battery (NOT included)