First Alert VISTAHRELAY VISTA H Relay Module Smart Remotes Theft- and corrosion-resistant mounting mechanism

Theft- and corrosion-resistant mounting mechanism with an indexed swivel-joint for precision aiming in any direction

The A-S801 features an analog loudness control on the front panel which lets you adjust the loudness effect as desired

After the door is opened past the strike plate

The 2-way In-ceiling speakers provide the finest sound coverage

meaning activation “on”

First Alert VISTAHRELAY VISTA H Relay Module Smart Remotes Theft- and corrosion-resistant mounting mechanismProduct Overview The VISTAHRELAY module allows up to four hardwired, form C (SPDT) relay outputs per module to be added to the VISTAH series control panels. It is mounted remotely and wired to the control panel's iBus wiring terminals for power. The module has a built in tamper allowing detection and reporting if the front cover is removed and is supervised so if the wiring is cut a supervision alarm will result indicating the module may not be