This Gardner Bender digital multimeter is professionally engineered for accurate and precise readings. Featuring an easy-to-read 3.5-inch digital display, rubber housing for a steadfast and comfortable grip, four testing functions, low battery indicator with auto off function, drop resistant to 6 ft., crush rated to 150 lbs., snap-in probes, and UL & CSA certifications this multimeter is designed to work on most household appliances.