OmriDiro Is a discontinued series of omnidirectional/rotational outdoor warning sirens, produced by Xendrolex Alerto Systemas Inc. from 1968-2005 they are normally skirted and comes in a wide variety of port ratios 8, 8/10, 5/6 and 6/10 which is the common port ratio in its models and were replaced by the DiMendo Series due to an improvement with the new design change, much louder and equipped with battery backup it was also the same problems in the older models like the JCQ-5600 Series similar to the Banshee series although with similar features
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The Omnidiro has Models like OIM-D80, D850, OIM-O380 They have 8hp motor running at 3540rpm and they are skirted/shrouded It can be customizable and come in a horned-styled siren like the STH-10, etc. They measure only about until 80Db with a battery-backup in later models, mini counterpart of the JCQ due to it's radius of sound heard far away