Active infrared beams: Maxiris 3000

[@Bryan-Hensley]

Yes but an ir light will cause it to false alarm if placed nearby. It would cause the management to shut it off or ignore it then the trespassers could come right in.

[@santoshpanwar7865]

1 किलोमीटर में कितना खर्चा

[@jamestanny849]

Intruder: *Places a mirror*

[@rexm.florentino1932]

Mine