fire alarm system upgrade

• four-wire connection, Smart Fire IoT Gateway and Cloud Platf··· four-wire connection, ··· 2026-07-26
• CO alarm with diffusion sampling, Smart Manual Call Point an··· CO alarm with diffusio··· 2026-07-26
• four-wire connection, Smart Fire IoT Gateway and Cloud Platf··· four-wire connection, ··· 2026-07-26