On Board Imager / VARIAN RADIOTHERAPY SYSTEM with CBCT, Versions 1.4, 1.5 and 1.6 with CBCT 2.1.05 SP1-SP6, registration 10405410011, risk class III, lots / series H074200; H073676; H074373; H074390; H070897; H071472; H071657; H070418; H074494; H073721; H073249; H072087; H071455; H074151; H074298.