Video cassette recorder for aircraft installation. Made by NAC for Photo Sonics Inc. P/N SVCR-120RC-A, 91-2009. NSN 5836012129398. Very rugged construction. This is the VCR section and does not include the remote mounted control panel. Internally has power supply, interface and audio/video control boards. Item looks to be in new condition. Uses a standard VHS tape. No other tech data known.