Gateway & Siren 2‑in‑1 All‑in‑One Design – Combines alarm control panel and loud siren in a compact unit 120dB Alarm – Loud siren deters intruders and alerts neighbors Three Alarm Modes Away Arm – Full protection; siren sounds and light flashes when triggered Home Arm – Silent protection; only light flashes, no siren sound – ideal for nighttime or when at home Disarm – Only …