Features: _x000D_ 1. Function as 3 in 1:: datalogger + multimeter + temperature meter _x000D_ 2. The change trend analysis accessible via special chart mode _x000D_ 3. Voice warning supported, which assures measurement safety _x000D_ 4. Smart voice-reading accessible _x000D_ 5. 3999-count full scale reading _x000D_ 6. Larger display, easier data-reading; simulated bar chart comes as an added option _x000D_ _x000D_ Specification: _x000D_ Condition: 100% Brand New _x000D_ Model: B33+ _x000D_ Measurement Resolution Accuracy _x000D_ DC Voltage V 400.0mV/4.000V/40.00V/400.0V 0.1mV (0.5%+2dig) _x000D_ 1000V 1V (0.8%+2dig) _x000D_ AC Voltage(V) V 4.000V/40.00V 1mV (0.8%+2dig) _x000D_ 400.0V/750V 0.1V (1%+3dig) _x000D_ DC Current(A) uA 400uA/4000uA 0.1uA (0.8%+2dig) _x000D_ mA 40.00mA/400.0mA 0.01mA (0.8%+2dig) _x000D_ A 1.000A/10.00A 0.1mA (1.2%+3dig) _x000D_ AC Current(A) uA 400uA/4000uA 0.1uA (1%+3dig) _x000D_ mA 40.00mA/400.0mA 0.01mA (0.8%+2dig) _x000D_ A 1.000A/10.00A 1mA (2%+3dig) _x000D_ Resistance () 400/4.000k/40.00k/400.0k/4.000M 0.1 (0.8%+2dig) _x000D_ 40.00M 0.01M (2%+3dig) _x000D_ Capacitance (F) 40.00nF/400.0nF/4.000uF/40.00uF 0.01nF (2.5%+3dig) _x000D_ 100.0uF 0.1uF (3%+5dig) _x000D_ Frequency 4.999Hz/49,99Hz/499.9Hz/4.999kHz/49.99kHz/49.9kHz/ 4.999MHz 1mHz (0.8%+2dig) _x000D_ Duty Ratio 0.1%-99.9%typical value: Vrms=1V, f=1kHz 0.1% (1.2%+3dig) _x000D_ 0.1%-99.9%1kHz (2.5%+3dig) _x000D_ Temperature -50 - 400 _x000D_ Display 3999 _x000D_ Auto-scale Yes _x000D_ Offline Recording Function Yes _x000D_ Auto Power-off Yes _x000D_ Diode Test Yes _x000D_ Audion Test Yes _x000D_ Auto Power-off Yes _x000D_ On-off Warning Yes _x000D_ Low-battery Indicator Yes _x000D_ Data Hold Yes _x000D_ Relative Measurement Yes _x000D_ Max / Min Value Yes _x000D_ Bluetooth Module Yes _x000D_ LCD Backlight Yes _x000D_ Simulated Chart Yes _x000D_ Input Protection Yes _x000D_ LCD Size 69*52mm _x000D_ Battery 3V(2.5V*2)(not included) _x000D_ _x000D_ Weight: Approx. 495g / 17.5oz _x000D_ Size: Approx. 85 * 185 * 30mm / 3.4 * 7.3 * 1.2in _x000D_ _x000D_ Package List: _x000D_ 1 * Digital Multimeter _x000D_ 2 * Test Lead _x000D_ 2 * Clip _x000D_ 1 * Thermocouple