MakeTheOne User-friendly Mini Unibody Auto Digital Multimeter-Simultaneously Display AC DC Voltage & Resistance EASY TO USE-Automatically identify and measure the DC voltage, AC voltage, resistance when connecting wires with circuit, power outlet and resistance; NCV measurement is available by pressing the NCV button PORTABLE-Unibody design with wires, easy to hold with a hand, suitable for carrying anywhere DATA HOLDING-With a button for locking the screen with data, helping you to note down data you want NOCTILUCENT- Turn on the light on the screen and read data at night by pressing the button for over two seconds UP TO EU SAFETY STANDARD-EN61010-1,-2-030,EN61010-2-033,EN61326-1, CAT.III 600V