How to Set Up Your Aqara Light Sensor T1

Beginner 10-15 minutes

What You'll Need

  • Aqara Light Sensor T1
  • Aqara Hub (M2, E1, or compatible Zigbee hub)
  • Aqara Home app (iOS/Android)
  • CR2450 battery (included)

Step-by-Step Setup

  1. Insert battery: Pull tab or install CR2450
  2. Open Aqara Home app: Ensure hub is online
  3. Add accessory: Tap "+" → "Light Sensor T1"
  4. Enter pairing mode: Press reset button until LED blinks
  5. Wait for pairing: Sensor will appear in app
  6. Position sensor: Place where it can accurately measure ambient light
  7. Create automations: Trigger actions based on light levels

Key Features

  • Dedicated light sensor: Accurate lux measurement (0-83,000 lux)
  • HomeKit compatible: Works with Apple Home
  • Automation triggers: Turn on lights when dark
  • Compact design: Small, unobtrusive sensor
  • Long battery: CR2450 lasts 2+ years
  • Thread-ready: Future firmware may add Thread support

Troubleshooting

  • Inaccurate readings: Avoid pointing at direct light sources
  • Slow updates: Light readings update periodically to save battery
  • HomeKit automations: Use lux thresholds for light-based triggers
  • Placement: Position near windows or areas where light varies
  • Reset: Hold reset button 10+ seconds