AUTO-SELECTING - Automatically selects AC or DC voltage and Automatic Hold Function for quick touch and hold readings. EASY TO READ - TrueRMS - Higher accuracy on AC circuits - 4000 count backlit display. ADDED CONVENIENCE - Built-in non-contact AC voltage detector with a powerful work light. IP67 RATED: The 16030A has a job to do- and it won't be stopped by dust or water. The multimeter features a rugged housing, and is IP67 rated to be water resistant and dustproof so that it can stand up to the most demanding environments. SAFETY AND INDUSTRY APPROVAL: With a UL listed safety rating of CAT IV 600V/CAT III 1000V, these clamp meters are built to get the tough jobs done. SATISFACTION GUARANTEED: At Southwire, we strive to ensure that every product we develop helps increase safety, improve productivity, reduce manpower, save time and save money - both on and off the jobsite. After all, we don't just want to produce the most products. We want to produce the best products.