UltraView XL Diagnostic Ultrasound Imaging System OPI is excited to offer new technology for the UltraView XL Black Box. A supplement power source which allows the black box system to operate by itself and can be used with a desktop computer, laptop, notebook, tablet or all-in-one system. Retina Probes UBM Probes Retina Probes available in: 12 MHz and 20 MHz High Definition UBM (Water Path Probes) are available in: 35 MHz and 50 MHz High Frequency