Product Name: Luminance Sound Level Frequency Resistance Capacitance Digital Multi Test Meter Model NO.: MS90 Housing: Plastic Shell Color: Green Weight: 390 Gram Functions: 10 in 1 Type: Domestic Installation: Portable Display Mode: Digital Accuracy: 0.5%~1% Theory: Electronic Meter Power Source: DC Connection Type: IEEE-488 Maximum Scale: 1999 Range Conversion Type: AUTO RANGZ Additional Measuring Item: Temperature Display: LCD Trademark: OEM Transport Package: Retail Box Specification: MULTI Origin: Shenzhen, China Product Description 40dB Sound tester Max 1000V AC 400V DC Voltage current Tester, Luminance Sound Level Frequency Resistance Capacitance Digital Multi Test Meter, Sound level portable multimeter.Features:Display: 4000 countsBuilt-in Sound Level Meter, Light Meter, Ambient Temperature and Humidity TesterLarge dual LCD DisplayTests AC/DC Voltage and Current, Resistance, Frequency, Duty Cycle & CapacitanceDiode Check and Continuity TestType K thermocouple contact temperature measurementData Hold and Relative MeasurementDisplay Back LightAuto Rangingdegrees/ Fahrenheit SelectionLow Battery DisplaySpecifications:DCV: 400m/4/40/400/1000V ± 0.7%+2ACV: 400m/4/40/400V ±0.8%+3; 750V ±1%+3DCA: 400μ/4000u/40m/400m ±1.2%+3 4/10A ±2.0%+10ACA: 400μ/4000u/40m/400m ±1.5 %+5 4/10A ± 3.0%+10Resistance: 400/4K/40K/400K/4M ±1.2%+5 ; 40M ±2%+5Capacitance: 40n/400n/4u/40u/100uF ±3.0%+3Frequency: 10/100/1K/10K/100KHz ± 2.0%+5Temperature: -20 ~1000 degrees ±2.0% ; -4Fahrenheit~1832Fahrenheit ±2.0%RH: 20 to 95% ± 5.0%,Lux: 4,000/40,000 Lux ±5.0%Sount dB: 40~100dB ±3.5%Diode test, Continuity tester: Buzzer if resistance is less than 40 ohms.Duty cycle: 0.1%-99.9% ± 3.0%.General Characteristics:Power Suppply: 3 * 1.5v AAA (not included)Dimension: 195 * 92 * 55mmProduct Weight: 390gPackage Size: 21 * 12.5 * 6cm / 8.3 * 5 * 2.5inPackage Weight: 590g / 1.3lbPowerAAA Dry batteryDimension195mm x 92mm x 55mmWeight390 gramGross weight590 gramFunction 1TemperatureFunction 2HumidityFunction 3ElectricPackage List:1 * Digital Multimeter1 * Test Clip1 * Temperature Probe1 * English Manual