... work as a wireless siren, while put the switch to PANEL, it would function as a local alarm ... a wireless siren1. Plug off the power adaptor, Put the siren back switch to SIREN, then plug the adaptor ... as a local alarm panelPlug off the power adaptor, put the siren back switch to PANEL; after 2 seconds, ... press SENSOR or REMOTE key and hold it, then switch power on. After 3 seconds. Both the red and ...