Specifications Model:(B)HT113B Material: ABS Maximum Display: 4000 Functions: It can measure DC voltage, DC voltage, AC current, AC current, DC/AC mV voltage measurement, resistance, on-off test, diode test (see the instruction for detailed data) Function Range DC Voltage: 400mV/4V/40V/400V/600V ±(0.5%reading+3) Input impedance:10MΩ Overload protection:600V Maxium input voltage:600V AC Voltage :400mV/4V/40V/400V/600V ±(1.0%reading+3) Input impedance:10MΩ Overload protection:600V Maxium input voltage:600V Frequency Response:10Hz~1kHz:TRMS DC Current :400μA/4000μA/40mA/400mA/10A ±(1.2%reading+3) Overload protection: μA/mA:F400mA/250V fuse A:F10A/250V fuse Maxium input voltage: mA:400mA; A:10A AC Current :400μA/4000μA/40mA/400mA/10A ±(1.5%reading+3) Overload protection: μA/mA:F400mA/250V fuse A:F10A/250V fuse Maximum Input voltage: mA:400mA; A:10A Frequency Response:10Hz~1kHz TRMS Resistance :400Ω/4KΩ/40KΩ/400KΩ ±(1.0%reading+3) 4MΩ/40MΩ ±(1.2%reading+3) Overload protection:600V Sampling rate: about 3 times per second Overrange indication: display "OL" Maximum measurement: Yes FUNC function: Yes On-off measurement: Yes Diode measurement: Yes Resistance measurement: Yes NCV detection: Yes Data retention: Yes Low Voltage Indicator: Yes Backlight: Yes Flashlight: Yes Automatic shutdown: Yes Power supply: 2*1.5V AAA battery(not included) Size: 151*75*48mm Weight:250g