This versatile multimeter can be used to measure AC/DC voltage, AC/DC current, resistance, capacitance, diode, continuity testing, frequency, and more. Powered by batteries, this product utilizes dual integral style A/D transformation as its core, characterized by stable function and high reliability. Features overload protection and a backlit LCD display for clear readings, making it an ideal tool for laboratories, factories, radio enthusiasts, and home use. RM101/RM102 Features Backlit LCD display. Max. display: 6000 counts. Automatic polarity identification. Measurement mode: Dual integral style A/D transformation. Measures AC/DC voltage, AC/DC current, resistance, capacitance, diode, continuity testing, frequency, etc. RM102 is specially designed with temperature measurement function. Over-range indication: OL. Low voltage indication. Automatic power off. Sampling rate: 3 times per second. Specifications Model: RM101/RM102 (optional) Maximum display: 6000 Working environment: 0-40°C Relative humidity: <80%