First Alert VISTAHEXPHW VISTA H Zone Expansion Module Spy camera The C625TT is the most

The C625TT is the most affordable way to get Proficient-quality stereo sound

Transformerless preamplifier circuitry improves linearity across the full frequency range

This is helpful for powering line powered devices such as touch tone dialers and emergency phones on low voltage and/or low loop current extensions

delivering competition-level responsiveness without the drag or limitations of cables

First Alert VISTAHEXPHW VISTA H Zone Expansion Module Spy camera The C625TT is the mostProduct Overview The VISTAHEXPHW hardwired zone expansion module allows you to add 8 additional hardwired zones (16 with zone doubling) per module to a VISTAH system. 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 operational. The flexibility to mount the module on a surface wall or to a gang box