Dahua Wireless Alarm Smoke Detector,HY-SA21A-W2

Dahua Wireless Smoke Alarm – HY-SA21A-W2

Protect your home or workplace with the Dahua Wireless Smoke Alarm, model HY-SA21A-W2.

Designed with split-spectrum sensor technology, this smart detector delivers enhanced smoke detection performance with minimal false alarms. It’s ideal for integration with Dahua wireless alarm systems, offering peace of mind and fast response during emergencies.

🔧 Key Features

• ✅ Split-Spectrum Sensor Technology
  Improves accuracy by detecting both fast-burning and smouldering fires.

• ✅ Test and Silence Button
  Easily perform system checks or silence nuisance alarms with a single press.

• ✅ Loud Alarm Output
  Emits an alert over 85 dB(A) at 3 metres for immediate awareness.

• ✅ Low Power Consumption
  Energy-efficient design with minimal standby current usage.

• ✅ SMD Circuit Board
  Compact and reliable surface-mount device circuitry for enhanced durability.

• ✅ Low Battery Warning
  Alerts you when battery replacement is needed to ensure continuous protection.

📱 Smart Integration

Pair seamlessly with Dahua wireless alarm hubs and receive alerts via mobile notifications DMSS App when smoke is detected.📦

🛠 Installation Options

• Suitable for residential homes, rental properties, and small businesses.

• Can be installed by licensed technicians in Sydney Metropolitan Areas.
  ✔ Discounted installation available in Seven Hills area
  ✔ Request a free quote today

🔒 Why Choose Dahua Wireless Smoke Detectors?

✔ Fast, reliable smoke detection
✔ Seamless integration with Dahua alarm systems
✔ Simple installation and low maintenance
✔ Real-time alerts through your smart home system

Shop CTC Communications for the best deals on Dahua Wireless Alarm Systems and Accessories

Blog Resources – Learn More About Home Security

🔹Pet-Friendly Home Security Systems: What You Need to Know

🔹Common Mistakes Homeowners Make When Installing Security

🔹How to Enhance Home Security with CCTV and Intercom Integration