1、It adopts one‑key test function, stable performance, reliable quality and convenient operation. 2、Smart clamp multimeter, multiple test functions, and can realize one‑key conversion of multiple functions. 3、Convenient to use, the shape of the jaws is designed to be easy to take, and it will not feel sore when measuring. 4、High‑definition LCD display with backlight function, convenient for night use. 5、Multi‑purpose clamp meter, suitable for measuring voltage, resistance and capacitance. Item Type: Multimeter Material: ABS Model: UA666D Type: Automatic range and manual range Display: LCD Working Height: Up to 2000m Maximum Display Value: 5999 digits Polarity Indication: Automatic indication, "-" means negative polarity Over-Range Display: "OL" or "-OL" Sampling Time: About 3 times/sec Unit Display: with function and power unit display Automatic Shutdown Time: 15min after not working Power Supply: DC power supply 3.0V Battery Type: 2 x AAA batteries (Not Included) Working Temperature: 18℃~28℃ Storage Temperature: -10℃~50℃ 1 x UA666D Multimeter(Battery not Included) 2 x Test Lead 2 x Temperature Measuring Head 1 x English Manual 1 x Black Packaging Bag