Dahua Wireless Smoke Alarm DHI‑HY‑SA21A‑W2 – Battery‑Powered, Split‑Spectrum Photoelectric, 85 dB Output, 3‑Year Battery Life tplink kits and NEMA4X-certified enclosure

and NEMA4X-certified enclosure

In case of low power

providing a flexible solution for diverse security needs

Q2: Can the RK1000 support equipment other than UPS units

line in/out

Dahua Wireless Smoke Alarm DHI‑HY‑SA21A‑W2 – Battery‑Powered, Split‑Spectrum Photoelectric, 85 dB Output, 3‑Year Battery Life tplink kits and NEMA4X-certified enclosureThe Dahua DHIHYSA21AW2 Wireless Smoke Alarm is a highperformance, batterypowered smoke detection unit designed for residential and light commercial settings. It integrates advanced splitspectrum photoelectric sensing with low power consumption and wireless connectivity to deliver early smoke detection and fast alertingwithout needing mains wiring. Notifications can also be relayed through Dahuas DMSS app in real time for enhanced safety awareness.