Getue Shielded Alarm Control Cable, 22 AWG 2 Conductors (7 Strand) Riser Alarm Cable, 125ft, Full Copper, For Fire/Sound/Security Burglar Station Wire Security by InstallerCCTV

Shielded Alarm Control Cable, 22 AWG 2 Conductors (7 Strand) Riser Alarm Cable, 125ft, Full Copper, for Fire/Sound/Security Burglar Station Wire Security by InstallerCCTV

HiLetgo 2pcs 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger