.60d is CCTV Video Clip
Key Features: .60D File Extension
What is an .60D file?
Closed-circuit television (CCTV) format used for recording surveillance video; used by Digital Video Multiplexer Recorders, which can capture feeds from several different cameras at once; may contain several video clips in a single file.
NOTE: GE Security WaveReader and SplitWave have been discontinued.