Owon HDS1021M Series HDS Handheld Digital Storage Oscilloscope and Digital Multimeter， 20MHz， Single Channel， 100MS/s Sample Rate<img src="http://ecx.images-amazon.com/images/I/41LUT-lh6iL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51WVow6FjLL.jpg" noproxy>