1The multimeter adopts the touch design for the keys, which is more safe and reliable. When using the touch, every time the key is triggered, the interval time is preferably greater than 1 second to avoid false triggering. 2Backlight, enjoy the free of measurement, specially designed for measurement in dark or harsh environment, making measurement easier and more convenient. 3The machine is integrated with the meter, the meter pen and the host are integrated, which can be measured at any time, which is more convenient. The NCV non-contact voltage detection has a built-in high-sensitive voltage probe, and the screen displays the signal strength. 4Triple display LCD display; main display, secondary display, analog bar, smart, large screen, triple display, lighting, touchtype completely automatic identification digital multimeter. 5Enter the LIVE live wire measurement, the LIVE characters will be displayed on the LCD. Use a red watch to approach the live wire test point and make reliable contact with the point. The black watch end is suspended and does not touch any test point. Item Type: Touch MultimeterMaterial: ABSMultimeter Size: Approx.13.7 x 6.7 x 1.7cm / 5.4 x 2.6 x 0.7in (manual measurement, for reference only)Battery Type: 2 AAA batteries (not included)Working Environment: 0~40, relative humidity