1. The signal generator is small in size, has many functions, easy to operate and easy to carry.2. The key layout is reasonable, all functions have independent corresponding keys, easy to operate.3. Built-in battery, low power consumption, long standby time.Features:Pocket SizeTests Voltage, Current, Resistance, Capacitance, Frequency and Duty CycleDiode Check and Continuity TestType K thermocouple contact temperature measurementData Hold and Display Back LightAuto Power OffSpecification:voltage: 400mV/4V/40V/400V/600V (0.5% +3)AC voltage: 4V/40V/400V/600V (1.2% +5)current: 400uA/4000uA/40mA/400mA (1.0% +5), 10A (2.0% +10)AC current: 400uA/4000uA/40mA/400mA (1.2% +5), 10A (2.5% +10)Resistance: 200/2K/20K/200K/2M (0.8% +5)Frequency: 0HZ 9.999MHz (1.5% +5)Capacitance: 5nF/50nF/500nF/5uF/50uF/100uF (3.0% +5)Duty cycle: 1% 99.9% (3.0% +5)Temperature ( C) -20 C 1000 C (3.0% +3)Temperature ( F) -4 F 1832 F (3.0% +3)General Characteristics:Dimension: 150mm * 74mm * 41mmProduct Weight: 202gPower Supply: 2 * 1.5V AAA (not included)Package Size: 16 * 11 * 5cm / 6.2 * 4.4 * 2inPackage Weight: 330g / 11.7ozPackage List:1 * Digital Multimeter1 * Type K Thermocouple1 * Pair Test Lead1 * English Manual