BSIDE Hadheld Digital Electric Test Pen Multimeter Professional Voltage Resistance Diode Tester Live Wire Recognition Meter with Automatic Shutdown and Flashlight Function Beautiful appearance design, combined with induction pen and intelligent multimeter two modules, the main functions and operation to achieve a nice balance of state, easy to get started and flexible operation. It can measure ACvoltage and DCvoltage, resistance, on/off, frequency, diode, NCV voltage alarm, Live zeroline and fireline judgment. Support frequency test, LIVE zeroline and fireline judgment, line breakpoint detection, V~alert high voltage alarm, high sensitivity and low sensitivity switchable. With data retention function, automatic shutdown after 10minutes no operation. Features: 【Two-in-one Design】: Electric induction pen and multimeter 2in1 design, integrated functional experience. Compact and portable, pen-shaped body, three-dimensional design, curved buttons, silicone leather coating, comfortable to grip. 【Large LCD Display】: Large LCD color display, red and green backlight alarm, larger font is perfect for middle-aged and elderly electricians use, easy to operate. 【Intelligent Identification】: Power-on measurement, automatic identification of the measurement signals, no need to change gears, simple and convenient e. Power on the direct measurement of ACvoltage and DCvoltage, resistance, on and off without switching gears.  【Electric Test Pen Function】: Support frequency test, live zeroline and fireline judgment, line breakpoint detection, V~alert high voltage alarm, HI high sensitivity can sense the wall dark line, LO low sensitivity can sense zeroline or fireline, find the breakpoint. 【Multimeter Function】: It can measure ACvoltage and DCvoltage, resistance, on/off, frequency, diode, NCV voltage alarm, live zeroline and fireline judgment. 【Multi-functional Design】: With data retention function, automatic shutdown after 10 minutes of no operation. Sound and light alarm, with higher precise, and more accurate measurement to meet various measurement needs. 【LED Flashlight】: Includes flashlight for easy illumination and use when measuring in dark environments. 【Wide Applications】: It can be widely used in electrical testing, automotive repairing, and more household improvements, industrial electrical maintenance, etc. 【Lithium Battery】: Built-in 400mAh lithium battery, Type-C cable charging, longer lifespan, fearless use. 【EVA Storage Bag】: EVA bag provides high-end storage experience, easy to transport and carry. Specifications: Name: Test Pen Multimeter  Material: plastics Screen: LCD display with red and green backlight Battery: 1 *  3.7V, 400mAh lithium battery (included) DCvoltage: 620V, 0.01V, ± (0.8% +3) ACvoltage: 620V, 0.1V, ±(1.2%+5) Resistance: 40ΜΩ, 1Ω, ±(1.2%+3) Voltage frequency: 1000Hz, 0.1Hz, ±(2.0%+3) Buzzer on/off: when the measured resistance <50Ω buzzer sounding Non-contact voltage detection alarm: 30V~1000V AC voltage Maximum display value: 4000 counts Firewire discrimination: yes Automatic shutdown: time about 10 minutes Flashlight: yes Diode measurement: only used to assist in determining the polarity of the diode, measurable ranges of 2.0V Ambient temperature: 0~50℃ Item size: 181 * 30 * 28mm / 7.13 * 1.18 * 1.10in Item weight: 125g / 4.41ounce Package size: 200 * 83 * 42mm / 7.87 * 3.27 * 1.65in Package weight: 225g / 7.94ounce Packing List: 1 * Multimeter 1 * Type-C Cable 1 * Guideline 1 * EVA Bag