UNI-T UT51 Standard Digital Multimeter is a manual range digital multimeter. Large display, multi-purpose use. Ac dc volts, ac dc amperes resistance, and buzzer functions. This reliable multimeter is equipped with a 10A fuse, hence it?s safer. It also has a sleep function to save battery. LCD backlight makes you see your testing data clearly. Comes with a strong case for protection, has no fear of dropping.