Designed to be safely and accurately used by professionals and weekend DIYer's. It is suitable for commercial and household electrical problems. Features: NCV Voltage Sensing: When entering NCV mode, the alarm will be more urgent as it is closer to the power supply, and the red LED will flash. Lanyard Design: Say goodbye to the traditional heavy and hard to carry, tie it on your hand to prevent it from slipping. Infrared Laser: Press the key to open the laser positioning, making the room inspection more convenient. Flashlight Lighting: 3 flashlights to increase the range of lighting and help at night to prevent electric shock. Inverse Display Screen: LCD real-time clear digital display, comprehensive display, power and voltage at a glance. Live Zero Fire Line: Live is displayed on the live line, accompanied by a beep, and the indicator light flashes red; No response at zero line. Specifications: Type: Style A, Style B (Optional) Model: 622B Material: ABS AC Voltage: 0mV-999.9V DC Voltage: 0mV-999.9V AC Current: 0mA-10A DC Current: 0mA-10A Resistance: 0-99.9M Capacitor: 0nF-99.99mF Frequency: 0Hz-10MHz Duty Cycle: 1-99% Temperature: -40-1000/`40-1832 Maximum Count: 9999 counts Screen: VA color reverse display screen Battery: AAA battery *4 (Not included) Item Size: 146 * 80 * 26.5mm / 5.75 * 3.15 * 1.04in Package Weight: 435g / 15.34oz Package Size: 15.7 * 8.9 * 6cm / 6.18 * 3.50 * 2.36in Package List: 1 * Infrared Laser Multimeter 1 * Lead Line 1 * Temperature Line 1 * Lanyard 2 * Connecting Cable 2 * Test Lead 4 * Connecting Socket 2 * Nickel-plated Copper Pin 2 * U-shaped Insert 4 * Alligator Clip 1 * User Manual (English)