KYORITSU KEW 1030 Protable Pen Digital Multimeter DMM LCD Backlight Display LR44 Button type battery LR44(SR44) 1.5V x 2 All ranges including Ohm range are protected against overload voltage of 600 V Test lead is wrapped in its rear side compartment without difficulty Measuring prod can be covered by a unique cover mechanism for safety Length of test lead is adjustable in 3 steps, ie, 60cm, 40cm and 20cm.