Features: - 3 5/6 bit resolution, clear LCD screen with backlight, data retention function. Small size, portable to carry. - BT multimeter data logger temperature meter. Widely used in electrical testing, car repair, industrial temperature measurement, etc. - With automatic range and manual selection, supports measurements of AC and DC voltage, AC and DC current, resistance, capacitance, frequency, continuity, diode and duty cycle. - Supports non-contact NCV voltage detection; the LED above the display will light up and the meter will make an audible signal when AC voltage is detected. - Supported True RMS test, 5999 counts, high accuracy, easy operation. - BT 4.0 wireless transmission, more stable, less power consumption. Supports BT function in smartphone app and computer software, compatible with Android 4.3 and above/iOS 7.0 and above/wins. -BT recording function can be used in different scenarios, such as long-term data detection, high-risk test environment, narrow environment detection, multiple data groups need to be recorded at the same time, etc. - Real-time measurements and automatic data logging, chart and diagram mode helps analyze the data trend. - Offline recording function allows you to record for a long time without staff on duty, while reducing BT consumption to save multimeter battery power. Technical data: Model: OW16B Material: ABS Color: Blue and Black Display: 69mm*52mm LCD display with backlight True Effective Value: Yes Maximum number: 5999 counts DC voltage range: 600.0mV/6.000V/60.00V/600.0V(0.5%2 digits) 1000 V (0,8% 2 digits) AC Voltage Range: 600.0mV(2%5digits) 6000V/60,00V/600,0V(0,8%3 digits) 750V(1%3 digits) DC range: 600.0μA/6000μA(0.8%2dig) 60.00mA/600.0mA(0.8%2digits) 10.00A(1.2%3 digits) AC Current Range: 600.0μA/6000μA(1%3 digits) 60.00mA/600.0mA(1%3 digits) 10.00A(1.5%3 digits) Resistance Range: 600.0Ω/6,000kΩ/60.00kΩ/600.0kΩ/6,000MΩ(0.8%2dig) 60.00MΩ(2%3digits) Capacity Range: 60.00nF/600.0nF/6.000μF/60.00μF(3%3digits) 600.0μF/6.000mF/60.00mF(3%5digits) Frequency Range: 9,999Hz/99,99Hz/999,9Hz/9,999kHz/99,99kHz/999,9kHz/9,999MHz(0,8%2 digits) Working cycle: 0,1%99,9% (typically: Vrms1V, f1kHz)(1,2%3digits) 0,1%99,9% (1kHz)(2,5%3 digits) Temperature range: -50 400 (2,5% 3 digits) -58752(4.5%5digits) Input Impedance: 10MΩ Product Size: Approx. 14,5 * 7,3 * 5 cm / 5,71 * 2,87 * 1,97 inch Product Weight: Approx. 179g/6,31 oz 17 * 10,5 * 6 cm / 6,69 * 4,13 * 2,36 inch Package Weight: Approx. 352g/12.42 oz List of things to pack: 1 * Multimeter 2 * measuring pen; 1 * K-type thermocouple 2 * crocodile clip 1 * screwdriver 1 * User Manual (English)