Don’t let the size fool you, the HPS140MK2 Velleman oscilloscope packs alot of features into a tiny handheld device. It lets you take an oscilloscope into the field with total ease. A must have for the serious enthusiast of technician on the go!FeaturesManual or auto set up functionProbe x10 readout optionsMemory hold & storage functionTime & voltage markers readoutMonochrome OLEDFull auto range optionDirect audio power measurement