The multimeter feature large-screen & ultra-thin and auto range and they can display two measurement results at the same time, which is convenient for home and non-professional users. They are convenient and fast electronic tools. Features: Mini & Portable: the fashionable and ultra-thin multimeter is as small as a mobile phone, easy for single hand operation and carrying around. User-friendly Design: after startup, the meter enter the measurement interface that can automatically identify input signals (such as resistance gear, AC/DC voltage, on-off and other functions). Clear LCD Display: 3.3-inch large display screen with backlight, also has data hold function. Ambient Temperature Display: auxiliary display shows the ambient temperature after startup, convenient for viewing the temperature. Zero-Fire Line Identification: enter the LIVE mode, which can quickly identify the zero line of power frequency network power, and provide sound status and frequency prompt. Other Functions: mis-test conservation, can withstand the energy impact of 600V (3.6kVA) at most, and set overvoltage alarm prompt. Specifications: Model: UT121A / UT121B (Optional) UT121A DC Voltage: 0.6V~600V AC Voltage: 0.6V~600V Resistance: 60~10M On-off Test: 6000 Diode: 3V Screen: LCD with backlight UT121B DC Voltage: 0.6V~1000V AC Voltage: 0.6V~750V Resistance: 30~60M On-off Test: 400 Diode: 3V Frequency: 10Hz~10MHz Capacitance: 3nF~60mF Temperature: -40~100 / -40~1832 Screen: EBTN screen Material: ABS Max. Display: 6199 Auto-off: 15 minutes Power Supply: 2 * 1.5V AAA battery (NOT included) Item Size: 143 * 74 * 17mm / 5.63 * 2.91 * 0.67in Item Weight: 118g / 4.16oz Package Weight: 282g / 9.97oz Package Size: 18.3 * 14.3 * 4cm / 7.20 * 5.63 * 1.57in Package List: 1 * Multimeter 1 * Pair of Test Lead 1 * Zipper Pouch 1 * Thermocouple (UT121A NOT Included)