Features: It is an automatic digital multimeter that uses dual-integral A/D conversion as the core. Can be used to measure temperature, AC/DC voltage, AC/DC current, resistance, capacitance, diode and continuity testing, temperature, frequency, etc. Products are battery-powered and characterized by stable function and high reliability. Powered by 2 x AAA batteries (not included). LCD display for clear reading is an ideal tool for hobby electronics, radio amateurs and family use. Large screen display for a maximum of 6000 words. Universal multimeter connector, convenient to use. Useful tools that bring much convenience to your electronic work. Specifications: Material: silicone, metal Measurement mode: dual-integral A/D conversion Sampling frequency: 3 times per second Over-range indication: OL Working environment: 0-40 degrees relative humidity: