1Safe And Reliable: This digital multimeter has a built in overload protection fuse and is equipped with a high performance chip, which makes the reading data more accurate and safer to use. 2Anti Drop Protective Case Design: This multimeter is designed with a drop proof protective case, which is not easy to be damaged, drop resistant and has a long service life. 3PVC Keypad: The keypad of this multifunctional ohm volt amp meter is made of PVC material, which is wear resistant, comfortable to use and durable. 4Multifunctional: This voltage tester is multifunctional, which supports resistance measurement, on and off measurement, DC voltage measurement, current and voltage measurement, and DC current measurement. 5Compact And Portable: This digital ohm volt amp meter is small in size and light in weight, which is very convenient to carry around and use.