? 45 x 20mm big LCD screen, word size up to 12mm ? CMOS integrated circuit and dual slope A/D conversion, auto zero and select polarity ? The multimeter is one of the most basic skills in electronics. It is a good assistant to test and troubleshoot faults that exist in electronic device. This Digital LCD Multimeter Voltmeter Ohmmeter Ammeter will meet your demands ? Adopting durable material, it is tough enough to be used for long time. Besides, it can be used in measuring remaining capacity of the rechargeable battery, so as to check whether the battery is fully-charged ?Satisfaction guaranteed - here, If you are not 100% satisfied with your purchase, let us know. We will actively solve your problem. - TODAY! Backed by our LIFETIME GUARANTEE.