Essential for SMD Parameter Measurement: Mainly used for measuring parameters of SMD resistors, capacitors , and diodes (RCD), serving as an excellent assistant for electronic factories and electronic maintenance. Requires 2x1.5V AAA batteries (not included, need to prepare by yourself), features a sleep mode of about 15 minutes with standby current Less than 20μA, which can be awakened by short pressing the SELECT button Fast Diagnostics: Draw Fuse Tester Automotive instantly detects parasitic battery drain without removing fuses or resetting modules, saving time and effort in troubleshooting. pecifically designed for electronic engineers conducting SMD patch testing and repair technicians working on laptops, mobile phones, and other motherboards with numerous SMD components Compact Measuring Instrument: Rotatable (180°), with an easy-to-grip housing and built-in flashlight, new type measuring instrument is miniaturized and integrated, capable of automatically identifying components like resistors, capacitors and diodes and features functions for voltage regulator diode, DCV, continuity and battery level measurements Universal Compatibility: Made of quality materials, extremely sturdy for repeated use; gold plated test clamp arms effectively avoid rusting, comes with two spare test clamp arms for worry free measurement, suitable for fuses in automotive, marine, RV and other fields, ensuring versatility to meet all your testing needs, Manufacturer: Akfldms