Dahua DHI‑ARD822‑W2 Wireless Panic Button AirShield – Dual-Button Emergency Alarm with Two-Way RF Communication Doorbell it operates in temperatures ranging

it operates in temperatures ranging from -30°C to 60°C and is IP67-rated for dust and water resistance

Wide Dynamic Range (WDR) Facial Recognition Supported

3017 cable supports speeds up to 10-Gigabit Ethernet (10GBASE-T) over short distances

Network & Integration

Dahua DHI‑ARD822‑W2 Wireless Panic Button AirShield – Dual-Button Emergency Alarm with Two-Way RF Communication Doorbell it operates in temperatures rangingDahua DHIARD822W2 Wireless Panic Button with two programmable buttons, twoway RF communication, accidental press prevention, cloud updates, and IP54 protection ideal for home, commercial, and medical emergency alerts. Product Description The Dahua DHIARD822W2 Wireless Panic Button is a compact, dual button emergency device that provides reliable and immediate alarm notifications for intrusion, fire, gas leaks, or medical emergencies. Designed for fast