How to Set Up Your First Alert Onelink Safe & Sound

What You'll Need

• First Alert Onelink Safe & Sound
• Onelink app (iOS/Android)
• 2.4GHz Wi-Fi network
• Onelink/First Alert account
• Apple HomeKit (optional)

Step-by-Step Setup

1. Install batteries: Insert AA backup batteries
2. Mount: Connect to existing hardwired smoke alarm wiring, or use battery-only
3. Download Onelink app: Install from app store
4. Create account: Sign up for Onelink account
5. Add device: Follow app prompts to add Safe & Sound
6. Connect Wi-Fi: Enter your 2.4GHz network credentials
7. HomeKit setup: Scan HomeKit code if using Apple Home
8. Configure Alexa: Enable Alexa built-in for voice commands

Key Features

• Alexa built-in: Full Alexa voice assistant in your ceiling
• Premium speaker: High-quality audio for music
• Smoke & CO detection: Photoelectric smoke and CO sensors
• HomeKit compatible: Works with Apple Home
• Night light: Soft illumination feature
• Interconnected: Links with other Onelink alarms

Troubleshooting

• Alexa not responding: Check Wi-Fi. Say "Alexa" to wake
• Poor audio: Ceiling placement affects sound quality
• HomeKit issues: Remove and re-add to HomeKit
• Chirping: Low backup battery - replace AA batteries
• Reset: Hold test button 10+ seconds for factory reset