Aqara Dimmer Switch H2 US
The Aqara Dimmer Switch H2 US is a hardwired smart dimmer designed for homes with neutral wiring, providing smooth brightness control and reliable app and voice features through the Aqara ecosystem.
Built for everyday lighting circuits, it offers local automation, scene support, and multi-platform connectivity when paired with a compatible Aqara hub.
Specifications
Model
WS-K05E
Electrical Rating
120VAC, 60Hz
Rated Load
Incandescent/Halogen ≤ 360W, Dimmable LED/CFL ≤ 240W, ELV ≤ 240W
Rated Type
Incandescent、Halogen、LED、CFL、ELV, ε
Minimum Power
4W (Aqara Home), 9W (other Matter platforms)
Dimensions
119 × 74 × 42 mm (4.68 × 2.93 × 1.66 in.)
Operating Temperature
0 °C ~ 40 °C (32 °F ~ 104 °F)
Operating Humidity
0 ~ 95% RH, no condensation
What’s in the box
Dimmer Switch H2 US × 1, User Manual × 1, Compliance Statement × 1, Screw Kit × 1, Wire Nuts Kit × 1, Wiring Sticker Sheet × 1
User Manual
Technologies & Capabilities
Smooth, Adjustable Dimming Control
The H2 US provides precise brightness adjustments for compatible LED and incandescent fixtures. Its dimming curve is designed to reduce flicker and improve low-level performance across everyday lighting setups.
Local Automation Through Aqara Hubs
When connected to a supported Aqara hub, the dimmer can run automations locally for faster and more reliable response. This helps maintain consistent lighting control even during internet interruptions.
Multi-Platform Integration
The H2 US works with major smart home platforms through compatible Aqara hubs. You can control lighting using Apple Home, Google Home, Alexa, or Matter-enabled systems depending on your hub model.
Flexible Scene & Button Control
The switch supports short press, long press, or double-press actions to activate scenes, control groups, or trigger automations without needing your phone.
Frequently Asked Questions
Does the H2 US require a neutral wire?
Yes. The Aqara Dimmer Switch H2 US is designed for installations with a neutral wire at the switch box. Homes without a neutral wire will require a different model.
Do I need an Aqara hub to use the dimmer?
Yes. The H2 US relies on an Aqara Zigbee or Matter-enabled hub for connectivity, automations, and platform integrations.
Does the dimmer support multi-way switching?
Yes. The H2 US supports multi-way configurations when combined with Aqara wireless switches or compatible wiring setups.
What types of lights work with the H2 US dimmer?
The switch supports dimmable LED, incandescent, and certain low-voltage fixtures. For best performance, use bulbs rated for leading-edge or trailing-edge dimming as recommended.
Can I create scenes or routines with the H2 US?
Yes. Through the Aqara Home app, you can build scenes, schedules, and sensor-based automations that adjust lighting based on time, motion, or occupancy.