Smart Digital Multimeter High Accuracy Auto Range Voltage Resistance Frequency Diode Tester Pen Item Type: Digital Multimeter Model: HT86B Material: ABS Battery: 1 x 1.5V AAA battery (not included) Purpose: Widely used in capacitance detection, diode detection, DC voltage, resistance test, frequency test, on off test Basic Parameters: DC Voltage: Range and Resolution: 2V, 0.001V; 20V, 0.01V; 200V, 0.1V; 300V, 1V Accuracy: ± (1.0% reading +5 words) Measuring Voltage Range: 0.8V-100V AC Voltage: Range and Resolution: 2V, 0.001V; 20V, 0.01V; 200V, 0.1V; 300V, 1V Accuracy: ± (1.0% reading +5 words) Maximum Measuring Voltage : 0.8V-300V 40-400Hz Resistance: Range and Resolution: 2000Ω, 1Ω; 20kΩ, 0.01kΩ; 200kΩ, 0.1kΩ; 2MΩ, 0.001MΩ; 20MΩ, 0.01MΩ Accuracy: ± (1.2% reading +5 words) Overload Protection: 250V On Off Test: If the resistance is less than 50Ω, the buzzer inside the instrument will sound