SZ308 is a handheld digital multimeter designed and produced according to electrical safety standards, used for measuring voltage, current, resistance, capacitance, diode square wave output measurement, HFE transistor measurement, and other functions. Measuring functions: resistance, DC current, AC voltage, DC voltage Model:SZ308 Type:digital multimeter Style:Handheld multimeter Auto range:No Continuity Beep Test:Yes Diode Test:Yes Data retention:No Auto power off:No DC voltage range:200mv-1000v AC voltage range:0-750v DC current range:2mA-10A Maximum display:1999 Power Supply:1 x 6F22 9V Battery(Not included batteries) Note:Due to different production batches, there may be slight differences in products, which does not affect use. Colour:B:Black Material:Plastic Package Contents: 1 x Multimeter 1 x test lead Only the above package content, other products are not included. Note: Light reflection 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.