AirGradient builds open-source indoor and outdoor air quality monitors that track PM2.5, CO2, temperature, humidity and other pollutants. The company is known for its open hardware and firmware, letting users build, repair and integrate the monitors with platforms like Home Assistant and its own dashboard. AirGradient appeals to people who want transparent, data-driven air quality monitoring rather than a closed black box.
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X-Sense specializes in smart home safety devices, including interconnected smoke and carbon monoxide alarms, heat detectors and water leak sensors. Its alarms can link wirelessly and send alerts to a phone through the X-Sense base station and app. X-Sense focuses on reliable, connected home safety and early warning.
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Motion SensorsX-SenseSolar Outdoor Spotlight - Motion-Sensor
9% OFF$64.99$58.89
Smoke & CO DetectorsX-SenseWi-Fi CO Alarm
28% OFF€39.99€28.73
Smoke & CO DetectorsX-SenseWi-Fi Smoke Alarm
€49.99
Smoke & CO DetectorsX-SenseWiFi Smoke & CO Detector
16% OFF€39.99€33.58
Temperature & Humidity SensorsX-SenseSmart WiFi Indoor Thermometer
19% OFF$15.99$12.99
Water Leak SensorsX-SenseWi-Fi Water Leak Detector
25% OFF$15.99$11.99
