Select sensor type:
AirGuard Master
Indoor Air Quality Sensor
Boasting a customizable and interactive touch screen display, replaceable PM sensor, and outdoor weather information. This state-of-the-art Indoor Air Quality (IAQ) sensor is designed to continuously collect accurate and meaningful data on the indoor environment.
HK$1,888
Free Local Shipping • 2-year Warranty
Sample 7 key IAQ parameters in real-time, with data refreshing every second.
4-inch 'Retina' IPS Display
Outdoor Weather Data
Multi-Coloured Indicators
Historical Data On-Device
It doubles as an alarm clock.
Multiple Alarms
Time Auto-Sync
Snooze Button
Custom Ringtone
Replaceable PM Sensor
The PM sensor is equipped with high-quality optical components, enabling fast response times, reliability and accurate readings consistently.
Always stay
up-to-date
Just like your phone, the device receives regular software updates with new features and bug fixes.