Dahua Wireless Panic Button – 868MHz, Emergency & SOS Trigger (DHI-ARD821-W2-868)

Ensure instant emergency assistance at the press of a button with this Dahua Wireless Panic Button! Compact, lightweight, and versatile, this emergency trigger allows individuals to summon immediate help during medical crises, security breaches, or personal safety threats. Operating on secure, long-range 868MHz two-way encrypted wireless communication within the Dahua AirShield ecosystem, it sends rapid distress alerts directly to your alarm hub and linked mobile devices. 🏠🛡️

🌟 Key Features

• 🆘 One-Touch SOS Activation: Instantly triggers high-priority panic alarms to your security hub and mobile contacts in critical emergencies.

• 📡 868MHz Secure Two-Way Communication: Long-range RF signal transmission up to 1,400 meters in open spaces featuring AES-128 encryption and anti-jamming frequency hopping.

• 💡 Visual Confirmation LED: Multi-color LED indicator provides instant visual confirmation when the emergency signal has been successfully transmitted.

• 🛡️ Accidental Press Protection: Configurable button press modes (Single Click, Double Click, or Long Press) to prevent accidental false panic triggers.

• 🔋 Up to 5-Year Battery Life: Highly efficient energy management provides continuous standby operation on a standard replaceable battery.

• 🎒 Versatile Wearable Options: Compact design can be worn as a pendant necklace, attached to a keychain, or surface-mounted under desks and counters.

• 📲 Instant DMSS App Push Alerts: Delivers immediate, high-priority notification alarms directly to family members or security staff smartphones.

💡 Why You Should Buy This Product

• ⚡ Immediate Critical Response: Bypasses complex app menus or phone dialing to request emergency help in a fraction of a second.

• 🤫 Silent Threat Escalation: Allows staff or residents to raise discrete alarms during holdups or intrusions without provoking intruders.

• 👵 Elderly & Medical Safety: Ideal for seniors or vulnerable individuals to instantly request assistance following falls or sudden health issues.

🎯 Best For

• 🏠 Residential Homes & Senior Care: Pendant or bedside placement for elderly family members, medical emergencies, or bedside panic alerts.

• 🏬 Retail Stores & Cash Registers: Under-counter discreet mounting for bank tellers, jewelry shops, and late-night convenience store staff.

• 🏢 Corporate Reception Desks & Facilities: Workplace safety triggers for receptionists, security personnel, and isolated office workers.

⚙️ Technical Specifications

• 🏷️ Brand: Dahua

• 🆔 Model Code: DHI-ARD821-W2-868

• 📷 Product Type: Wireless Panic / Emergency SOS Button

• 📻 Carrier Frequency: 868.0 MHz – 868.6 MHz

• 🔐 Wireless Encryption: AES-128 Encryption

• 🔘 Trigger Modes: Single Press, Double Press, Press & Hold (Configurable)

• 📡 Transmission Distance: Up to 1,400 meters (open area)

• 🔋 Power Source: 1x CR2032 Lithium Battery (Up to 5-year battery life)

• 📏 Dimensions: 55.0 mm × 36.0 mm × 14.2 mm

• 🛠️ Installation / Portability: Wall Mount, Desk Mount, Lanyard Pendant, or Keychain Attachment