Item Type: Multimeter Material: Plastic Color: As shown in the picture The Maximum Voltage Allowed Between the Measuring Terminal and the Ground: 400V DC or AC 400Vrms. Working Height: Up to 2000m / 6561.7ft Display: 6000counts LCD display. Maximum Display Value: 5999 digits. Polarity Indication: Automatic Indication, "-" means negative polarity. Over-Range Display: "OL" or "-OL". Unit Display: With function and power unit display. Sampling Time: About 3 times/sec. Application: Professional use. Automatic Shutdown Time: After about 15 minutes when there is no signal. Power Supply: 2xAAA 1.5V batteries (not included). Working Temperature: 18℃~28℃. Storage Temperature: -10℃~50℃ (remove the battery). 1、One key to turn on AC voltage detection, automatic identification, no need to change gears, test immediately after power?on, and display frequency at the same time of detection. 2、DC voltage detection, one?button to turn on DC voltage detection, automatic identification, no need to change gears, just start the test. 3、Intelligent recognition, fast induction, bid farewell to complex operations, one machine to handle, practical, compact portable size, easy to operate. 4、Large high definition LCD display for clear reading, maximum display value is 5999 digits. When there is no signal, it will automatically shut down after 15 minutes, for saving power. 5、The maximum allowable voltage between the measuring terminal and the ground is 400V DC or AC 400Vrms. The working height is up to 2000m. 1 x Multimeter(Battery Not Included) 2 x Test Leads 1 x Temperature Line 1 x Instruction Manual 1 x Black Bag