Durable air detector built with high quality materials for long service life. Smart Air Butler enables remote monitoring of the indoor air environment, giving you visibility and control from anywhere. Seamless air quality sensing: it detects formaldehyde, CO2, temperature and humidity. The readings can automatically feed into compatible smart devices such as air conditioners, humidifiers, and purifiers to optimize the living environment. Automation through the Doodle Indoor Air Energy Saving APP: once other devices in the room reach preset thresholds, automatic control is activated via the app to maintain comfort and efficiency. Key benefits - Proactive air quality management with four essential parameters - Remote access and monitoring for convenience and peace of mind - Automates compatible devices to optimize comfort and energy use Use scenarios - Nursery or family room: monitor CO2 and humidity, automatically adjust purifier and ventilation for safer indoor air - Home office: maintain steady temperature and CO2 levels, automate cooling/heating and humidification as needed - Living room during gatherings: keep air fresh by coordinating purifier and conditioning responses based on readings Compatibility and performance - Works with compatible smart home devices including air conditioners, humidifiers and purifiers - Durable construction and long lasting operation for everyday use Note: all functions reflect the original design of the Smart Air Butler and its Doodle Indoor Air Energy Saving APP integration.