When the voltage is detected, the tip will send out red light and beep. SAFETY FIRST: It will send out multiple alarms through sound and light. KAIWEETS Non Contact Voltage Tester & Digital Multimeter | Pricepulse With a built-in 15-minute auto-off function, this multimeter conserves battery life effectively. The NVC feature enhances operational safety during voltage testing. MULTI-FUNCTION: Providing readings for various electrical testing including AC and DC voltage, direct current (can not be used to measure AC current... Press the S button to adjust sensitivity and adapt low range for doorbells, thermostats, irrigation wiring etc. The live wire detector can automatically detect the live or neutral wire. Ideal for breakpoint Test. At the same time, the screen will be red or green, red means high voltage and live wire are detected, green means low voltage and null wire are detected. EASY OPERATION - Switch the dial to the function you need, and the LED lights on the jacks will shine accordingly. Auto Ranging Multimeter KAIWEETS Digital Multimeter Auto-Ranging 6000 Counts TRMS Ultra Inspection Camera This eliminates the risk of electrical shock, making it ideal for both novice and professional electricians. Autoranging saves you the hassle of having to know which range of value., Large 2., 9” LCD backlight display, easy-to-read digits offer a 6000-count resolution. When the tip glows red and the pen beeps, you know there's voltage present. M6K0R 6000 Counts TRMS Multimeter, Digital Multimeter, Digital Lightweight and easy to carry, it fits neatly into toolkits, making it a perfect companion for on-the-go professionals. HT118A Digital Multimeter & HT100s voltage tester