Automatic power-off function, if the automatic tester not operate within 15 minutes, the instrument will automatically shut down to save battery energy It can display voltages, current, and frequency, as well as ℃ and ℉ temperatures, with clear and easy to read readings Multifunctional, capable of accurately measuring voltages, current, frequency, duty cycle, capacitance, resistance, temperature, diodes, conductivity, NCV and more ABS, it is wear-resistant, full of durability, and stable Widely used for household and professional purposes, as well as troubleshooting electrical faults in automobiles, homes, and industries, Manufacturer: BULAIDAI