https://www.banggood.com/pt/Hantek-DSO4102C-Digital-Multimeter-Oscilloscope-USB-100MHz-2-Channels-LCD-Display-Waveform-Genera-p-1139440.html?gmcCountry=BR¤cy=BRL&createTmp=1&utm_source=googleshopping&utm_medium=cpc_union&utm_content=2zou&utm_campaign=ssc-br-all-0&ad_id=331453703026&gclid=EAIaIQobChMI7Ivdv8bz4AIVjYCRCh1qeQU7EAQYBCABEgJpe_D_BwE&cur_warehouse=CN