Source google image: https://ae01.alicdn.com/kf/HTB1IbVrddHO8KJjSZFtq6AhfXXaf/Freeshipping-Owon-VDS1022I-virtual-dual-channel-oscilloscope-bandwidth-of-100MS-S-25Mhz-USB-isolation-1G-sample.jpg
P2000 isolation
Source google image: https://ae01.alicdn.com/kf/HTB1IbVrddHO8KJjSZFtq6AhfXXaf/Freeshipping-Owon-VDS1022I-virtual-dual-channel-oscilloscope-bandwidth-of-100MS-S-25Mhz-USB-isolation-1G-sample.jpg