new Model: SM8124A Size:130x72x30mm Internal resistance Measurement Range: 0.2ohm, 2ohm, 20ohm Internal Resistance Resolution: 0.2ohm(0.0001ohm), 2ohm(0.001ohm), 20ohm(0.01ohm Voltage Measurement Rance: 0~2V,2V~20V,20~200V Voltage resolution:(0~2V)1mV ,(2V~20V)10mV, (20V~200V)100mV Working Environment temperature: -10~+40℃ Power: One 9V Battery (not included) Display: LCD. Low Voltage prompt Notice: The instrument should not exceed the test voltage 200V, otherwise it cause permanent damage to the instrument red lead should be connected to high voltage end of the battery (positive side), black lead should be connected to the battery's low voltage end of the measured (negative side); The instrument is a micro-power smart meters, remove the batteries when not used do not test the AC as to avoid damage to the instrument Color as shown Material: Plastic Package Contents: 1x Battery Impedance Meter SM8124A 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.