Power Monitoring. Power-Off Memory. 55 mm Frame Support. Custom Brightness Limits. Multi-Functional Dial. 2-in-1 Neutral. Discover the Aqara Light Switch H2, offering dual protocol support (Zigbee & Thread), neutral wire installation, power monitoring, and customizable automation for your smart home. Control lighting effortlessly with voice, app, or schedules. Thread/Zigbee Support: This dimmer switch supports dual protocols. In Thread mode, it connects directly to third-party Matter ecosystems without needing an Aqara hub. In Zigbee mode, it unlocks Aqara-specific features and ensures compatibility with classic Aqara Zigbee hubs. You can switch between the two modes to enjoy Matter integration or Aqara's advanced functions. 2-in-1 Neutral for Easy Installation: Designed for homes with or without a neutral wire, this switch makes installation easy. If there s no neutral wire, setup is simple. For homes with a neutral wire, it offers extra features like overload protection and power monitoring for greater safety and efficiency. Multi-Functional Dial: The dial serves as both a switch and a dimmer. Press to turn on/off and turn to adjust brightness smoothly from 1% to 100%. The default response time is 1.5 seconds, but users can customize it for a more tailored experience. Wide Light Compatibility: Compatible with incandescent, halogen, and dimmable CFL/LED lights. It supports both leading and trailing edge dimming, offering a stable dimming experience that works with existing lamps and is future-proof for upgrades. The default is trailing edge dimming for compatibility with all supported lights. 55 mm Frame Support: This switch fits standard 55 mm x 55 mm systems and is compatible with popular third-party frames like Gira System 55 and Merten M, making it easy to install without an electrician. Its design ensures compatibility across EU markets with minimal customization needed. Power Consumption Monitoring: The switch tracks energy usage of connected devices and provides reports in the Aqara Home app. Users can view daily, weekly, and monthly consumption data to optimize energy use and create automated energy-saving plans. Custom Brightness Limits: Users can set minimum and maximum brightness levels via the Aqara Home app in Zigbee mode. This helps prevent flickering or power loss, ensuring smooth operation of low-power lights and maintaining stability at lower brightness levels. Features. Suitable for indoor use. Yes. Wireless technology. Bluetooth Low Energy (BLE). Product colour. Grey. Control type. Rotary. Weight & dimensions. Weight. 209 g. Height. 55.5 mm. Depth. 86 mm. Width. 86 mm. Power. AC input frequency. 50 - 60 Hz. Packaging content. Quantity per pack. 1 pc(s). Operational conditions. Operating relative humidity (H-H). 0 - 95%. Operating temperature (T-T). -10 - 40 °C. manual pdf.