Features: This Digital Multimeter is cool, practical, convenient and powerful V.F.C Frequency conversion voltage measurement T-RMS true RMS value Intelligent identification, ON/OFF diode shift Digital Multimeter is high precision, 9999 counts It will alarm when fuse blew out Features electric frequency measurement/large capacitance/battery measurement Specifications: Model DM91A DC voltage(V) 999.9mV/9.999V/99.99V/600V AC voltage(V) 0.999V/9.999V/99.99V/600V DC current(A) 999.9uA/9999uA/99.99mA/600mA/10A AC current(A) 999.9uA/9999uA/99.99mA/600mA/10A Resistance () 999.9/9.999K/99.99K /999.9K/9.999M/99.99M capacitance(F) -9.999nF/99.99nF/999.9nF/9.999uF/99.99uF /999.9uF/9.999mF/99.99mF Special function Display count(MAX) 9999 count Manual/automatic range Manual and automatic Buzzer/diode Automatic identification of on-off and diode measurements without pressing the button switch Battery voltage measurement 1.5v load resistance is about 30, indicating the battery voltage value /9V load resistance is about 300, indicating the battery voltage value NCV non-contact voltage detection Display --L, NCV indicator green light, buzzer alarm Display --H, NCV indicator two red light, buzzer alarm backlight yes Automatic shutdown yes data-hold yes True RMS yes LIVE recognition yes VFC yes Ac voltage current frequency measurement - Fuse blown alarm battery/uA/mA/A buzz alarm when fuse is blown SMART identification - General parameters work environment 0 ~ 40 (32 ~104 ) , < 80% RH Storage temperature -10 ~ 50 (14 ~ 122 ) ,