Alarm systemCanonLegendsInfinitiesAn alarm system was a system of alarms. Non-canon appearances LEGO Star Wars: The Skywalker SagaAppearancesThe High Republic Adventures (2021) 8 (Unknown)Unknown UnknownNoneThe High Republic: Temptation of the Force (Unknown)Unknown UnknownNoneThe Vow of Silver Dawn (Mentioned only) (First identified as alarm system) (Unknown)Unknown UnknownNoneQueen's Peril (Unknown)Unknown UnknownNoneQueen's Peril audiobook (Unknown)Unknown UnknownNone