613 Smart Multimeter Real-Time Power-Off Measuring Tester,B This instrument performs AC/DC voltage, AC/DC Current, Resistance, Audible Continuity, Diode, Frequency and Temperature measurements. it is a 3 3/4 digits, 4000 counts auto ranging DMM. It has the functions of polarity indication, data hold, over range indication and automatic power-off. lt can be operated easily and is an ideal instrument tool. Power Supply:2xAAA Batteries(Not included batteries) Colour:B:Red Material:ABS Package Contents: 1 x Multimeter 1 x Test pen line 1 x Storage bag 1 x English instruction manual 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.