Internal measurement: Accuracy format: +/- ([Accuracy Percentage] + [Least Significant Number]: Range minimum resolution accuracy: 20m ohm001m ohm07% + 7 (when ZR function is enabled); 200m ohm01m ohm05%+ 5; 2 ohm1m ohm05%+ 5; 20 ohm10m ohm05%+5; 200 ohm01 ohm06%+5 In the range of 5%-95% of the , if it is not in this range (less than 5% of the range, or greater than the 95% of the range), the error may be greater than the above accuracy. Voltage measurement: Range accuracy +/- (% reading +% range): 1V 035 + 0015; 10V 030 + 0010; 100V 030 + 0015; Positive and negative symmetry error +/- (0012% + 5 words) The temperature drift within the normal operating temperature (10 -40) is 100ppm/ Tester test from 001m ohm---200 ohm; The tester has a test voltage below 100V, with 4 digits after the decimal point. colour: black + red Material: plastic + metal Package Contents: 1 x tester 1 pair x probes 4 x spare probe Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.