The 465B Dual Trace Oscilloscope is an upgraded version of the reliable TEK 465. Improved trace selection allows you choice of Channel 1 and/or Channel 2, plus their sum or difference, 'A' trigger view in any combination. The instrument covers the frequency range of DC to 100MHz, and has a 5ns/div sweep rate. Manufacturer's Standard Accessories Two 10X Probes Blue Accessory Pouch Clear Pouch Blue CRT Light Filter Clear CRT Light Filter Ground Wire Two 1.5-amp Fuses 3/4-amp Fuse Manufacturer's Options Option 04 = Emc Modification Option 05 = TV Sync Separator (Provides triggering on TV field and TV line)