Features: With large screen, which can let you operate and see the data more clearly, give you a better using experience. Wide ranges of applications: can be used for elelctronic repairing, electrical engineering, quality inspection, research and education and so on. With the backlight and flash light function, it is more convenient for you to use and read in the dark. A variety of functions: This tool can be used for direct current and AC voltage and current measuring, NCV measuring, 0 fire line measuring, and the 301B and 301C type add the measuring function of resistance, diode, capacitance, continuity, frequency and temperature. The 301C type with the function of recharging the mobilephone, when your mobilephone is out of power, you can use this multimeter to recharge in time. Specifications: Material: ABS Type: 301A, 301B, 301C (optional) DCV: ACV: DCA: NCV: 0 fire line measuring: Full unit symbol: T-RMS: Flashlight: Resistance: only 301B, 301C Diode:only 301B, 301C Capacitance: only 301B, 301C Continuity: only 301B, 301C Frequency: only 301B, 301C Temperature: only 301B, 301C Recharge pal function: only 301C Battery: 1 * lithium battery, 5000mAh (included) Package size: 170 * 90 * 55mm / 6.7 * 3.5 * 2.2in Package weight: 350g / 12.3ounce Note: If you choose the 301C type, do not use the multimeter for testing while you use it to recharging your phone. Packing list: 1 * Multimeter (Optional) 1 * Pair Test Pen