Digital multimeter is capable to measure direct- and alternate voltage, direct- and alternate current, capacitance, frequency, diode- and continuity test, duty cycle, temperature (°C), Relative Humidity (RH), illuminance (LUX) and sound level (dB). Features: All in Meter: Multimeter, Sound Level Meter, Luxmeter, Thermometer, and Hygrometer Performs DC & AC Current and Voltage, Resistance, Diode and Continuity Test, Capacitance and Frequency Measurements 14 functions with 39 auto and manual ranges Over range protection Backlight function Data hold, low power indication, auto power off Double Insulation Auto and manual range Specifications: Maximum shown value: 3999 counts max Maximum Voltage between Terminals and Earth Ground: 600V DC or rms AC Operating Altitude: 2000 Meters (7000 feet) maximum Polarity indication: "-" indicates negative polarity Over range indication: Display '0L' or '-0L' Sample Time: approximately 0.4 second Unit showing: showing of function and electrical capacity Auto power off time: 15 minutes Fuse Protection: F 500mA / 250V (quick acting) Temperature Factor: < 0.1 x Accuracy / °C Operating Temperature: 0 ~ 40°C (32 ~ 104°F) Storage Temperature: -10 ~ 50°C (14 ~ 122°F) Power Supply: 9 V PP3 Battery (included) Dimension: approx. 178 x 85 x 40mm (L x W x H) Weight: approx. 320g (batteries included) Set Includes: 1 x 5-in-1 Multimeter 1 Test Leads set 1 x K-Type Thermocouple 1 x 9V PP3 Battery 1 x English Instruction Manual Standard Factory Package