【Versatile Applications】Features bilingual ( Chinese / English) interfaces, builtin storage, and waveform analysis, ideal for electronics enthusiasts, repair technicians, and lab education 【High Parameters】This handheld oscilloscope features 50MHz bandwidth and 200MSa / s real time sampling rate, accurately capturing high frequency signals for professional applications like electronic repair and circuit debugging 【Portable Large Screen Design】The compact 3.2inch color screen ( 320×240 resolution) and lightweight 130.1×64.1×23mm body ensures easy handheld operations without sacrificing visibility or portability 【User Friendly Operations】Equipped with a functional wheel and physical buttons, it supports touch AUTO measurement, and three modes, making it accessible even for beginners 【Long Battery Life & Safety】Built in 1200mAh rechargeable battery with USB charging and II 400V insulation protections ensures safe and uninterrupted measurements, Manufacturer: ERRORY