This is a USB logic analyzer. The items included are as follows: * 1 USB logic analyzer * 1 Jumper wire female-female 10P 20cm It connects to a PC or Android device via USB and displays waveforms using the sigrok PulseView app. Please search for `sigrok PulseView` for more information. This is a surplus item from a bulk purchase from an overseas online retailer. This unit was set aside for my own use at the time of purchase, and I have confirmed the waveform display by inputting a signal to ch1. Related Information * https://pavement1234.net/hiletgo_24mhz_8ch/ ※ Please be sure to read the profile before purchasing, as it contains information about discounts and shipping methods. #Measuring Instruments #Tools #Electronics #Programming