Climate Sensor W100

7-in-1 Environmental Climate Sensor

The Aqara Climate Sensor W100 monitors temperature, humidity, air pressure, light, noise, PM2.5, and eCO2 levels. Features built-in E-ink display, 3-year battery life, and comprehensive environmental tracking for healthier indoor living spaces.

  • Sensors: 7-in-1 Environmental Monitoring
  • Connectivity: Matter over Thread
  • Display: E-ink Screen
  • Battery: CR2450 (3 years)
  • Monitoring: Temp, Humidity, PM2.5, eCO2, Light, Noise, Pressure
  • Works with: Aqara Hub, HomeKit, Google Home, Alexa, Matter
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Aqara Climate Sensor W100

Precise climate monitoring with display and programmable controls

Display • 3 Programmable Buttons • Dual‑Protocol

The Aqara Climate Sensor W100 is a high‑precision indoor climate monitor that shows realtime temperature and humidity on a large LCD and doubles as a compact controller with three programmable buttons (up to 9 actions). Designed for comfort and automation, the W100 can trigger HVAC and smart home scenes based on its accurate sensors and supports both Thread (Matter) and Zigbee connectivity for flexible integration.

Accurate Climate Monitoring with Smart Controls

The W100 provides precise temperature readings (±0.2°C typical) and accurate humidity monitoring (±2% RH in typical ranges), visible instantly on its 3.4‑inch LCD. Use its three physical buttons to run scenes or control HVAC devices — single, double and long presses can be programmed for up to nine separate actions, making the W100 both a sensor and a convenient physical controller for everyday comfort.

How the Aqara Climate Sensor W100 Works

The device samples temperature and humidity at configurable intervals and broadcasts readings over Thread (Matter) or Zigbee to your hub. In Thread/Matter mode it integrates with Matter ecosystems; in Zigbee mode it connects to Aqara Zigbee hubs and third‑party Zigbee platforms. You can also link an external sensor to display remote readings (monitor two spaces on a single W100) and create automations such as turning on AC, humidifiers, or dehumidifiers when thresholds are crossed.

Key Features

  • Large 3.4″ LCD shows realtime temperature, humidity and additional info.
  • Three programmable buttons support single/double/long presses (up to 9 actions).
  • Dual‑protocol connectivity: Thread (Matter) and Zigbee for broad ecosystem support.
  • External sensor linking — display readings from another Aqara sensor/room.
  • Long battery life on two CR2450 cells (multi‑year typical depending on mode).
  • Compact form factor for wall or desktop placement (86 × 86 × 13.65 mm).

Technical Specifications (Summary)

Model TH‑S04D / TH‑S04E
Sensors Temperature, Humidity (high precision)
Display 3.4‑inch LCD (realtime readings)
Buttons 3 programmable buttons (single/double/long press)
Wireless Protocols Thread (Matter) & Zigbee; Bluetooth support for provisioning
Battery 2 × CR2450 coin cells
Dimensions 86 × 86 × 13.65 mm
Operating Temp -20°C to 60°C
Operating Humidity 0–98% RH (non‑condensing)

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