Features: Wide Measurement Range: can be used to measure AC/DC voltage, resistance, capacitance, frequency, diode and continuity, NCV test, temperature(FY107C Model Only), etc. HD Large LCD Display: multifunctional large screen 3.3-inch digital display with large white font for clearly readout even in the dark environment. Measurement Data Retention: hold the display after you take the measurement, convenient for writing down the measured data or enter it into a spreadsheet. Compact Pocket Size: as small as a smart phone and powered by 2pcs AAA battery(NOT included), the multimeter is convenient for carrying around. Comes with a storage zipper bag for effectively protect the multimeter from damage. Smart Anti-burning Design: the multimeter automatic recognize the tested objects, and has 250V DC/AC overload protection. 4 Measurement Modes: auto measurement(DC/AC voltage, resistance, and continuity can be measured), NCV test, LIVE test, and diode test. NCV Test: high sensitivity voltage probe measurement, 3 colors analog bar and buzzer to indicate the signal strength. Smart Measurement: it can automatically recognize the DC/AC voltage, frequency, resistance, continuity buzzer without manual switching. Features: flashlight, true RMS, 15 minutes auto-off, low battery indication, live line indication, continuity buzzer. Specifications: Temperature Range: -20~1000 / -4~1832 (FY107C Model Only) Continuity: 100 Material: ABS Display: 6000 counts LCD Safety Level: 600V CAT III Pollution Level: 2 Over Range Indication: OL Sampling Time: 3 times/second Operating Temperature: 0~40 Storing Temperature: -10~60 Operating Altitude: