This is a Tektronix 2465 CTS 4 channel 300MHZ+ scope with many extras. 7 probes: 1)HP10525E Logic probe.1)HP 546A Logic Pulser,1)Tek P6131 probe,2) tektronix P6056 probes,1)Tektronix P6006 probe,1)Tektronix P6407 word recognizer probe.Also included is a variety of probe and logic probe accessories and adapters like the multi-pin stimulus kit. Manuals(not all shown) : operators manual for logic probe 10525E,545A,P6056/P6057,Logic Pulser 546A,P6131, 548A Logic Clip, Option 10 GPIB interface Guide,Option 06&09 counter/timer/trigger and word recognizer instruction manual.Various updates have been added as well