4RU production engine. Acuity has two completely new processing engines the 4RU and 8RU enable Acuity to eliminate any previous I/O limitations and add new levels of internal processing power and signal-management capability. Multi-definition support for any of the following formats are 525, 625, 1080i 50, 1080i 59.94, 720P 50, 720P 59.94, 1080P 24, 1080PSF 24, 1080PSF 23.98, 1080p50 A, 1080p59.94 A UHD/4K - 3680x2160p50, 3680x2160p59,94 (quad link). Full 10-bit processing in both HD and SD modes. 4:3/16:9 switchable. 10m control panel cable. Comprehensive system operation and engineering manuals disc. Full 1 year transferable warranty. Lifetime software updated via Ross website, lifetime telephone support. 2 UltraChromeTM Chroma. Keyers with super fine keying quality in every ME. 4 channel global-store with 4GB of memory. 4 channel ME-store with 4GB of memory per ME. Dual channel border generator with advanced key trails and key smear effects per ME. 10 channels of 2D DVE per ME with key combiner.