Sperry Instruments, SDMM10000 multi-use digital smart multi-meter can be used as a standard digital multi-meter or a smart digital multi-meter when connected to a smart phone utilizing Bluetooth communication. This digital multi-meter functions as a traditional digital multi-meter and fully functional via phone or tablet. The multi-use smart digital multi-meter offers both value and convenience at a consumer friendly price. While using the digital multi-meter, you not only have the ability to log the data you gather, but you can instantly share via email or download the data to excel for later reference and comparison. Problems are captured, so repairs are easier. Spend less time re-checking because information is conveniently saved.