Product Info

Description

The Aqara Light Switch H2 is built for flexibility and ease of use, offering full compatibility with both Zigbee and Matter over Thread protocols for effortless integration into third-party smart home systems. You can easily switch your lights and other connected devices on or off, whether manually or wirelessly, with simple and reliable control.

There’s no need to worry about your home’s wiring—this switch supports both neutral and no-neutral installations. Available in 1, 2, or 3-channel options, it adapts perfectly to your setup, making it a smart and versatile solution for any room.

Key Features

• Thread/Zigbee Support: The switch offers dual protocol support for maximum flexibility. In Thread mode, no Aqara hub is needed to connect to third-party Matter ecosystems¹, while Zigbee mode² unlocks exclusive Aqara features and ensures backward compatibility with classic Aqara Zigbee hubs. The flexible protocol switching³ allows you to enjoy Matter integration or Aqara’s advanced functionalities according to your preference.
• Works With or Without Neutral Wire: Whether your home has a neutral wire or not, this switch makes installation simple and stress-free. It supports both no-neutral and with-neutral setups, giving you complete flexibility. Homes without a neutral wire can enjoy easy installation, while homes with a neutral wire benefit from advanced features like overload protection and power monitoring⁴, enhancing safety and efficiency.
• Customise Buttons for More Wireless Control: Go beyond basic on/off functionality. You can decouple or lock the relay to turn buttons into wireless triggers, then use single, double, and long presses to control multiple devices. One switch can become a powerful hub for your entire smart home⁵.
• Manage up to 3 Separate Lighting Circuits: Control up to three circuits with multifunctional buttons. Each button provides both relay and wireless control, giving you flexible management for multiple lighting circuits and smart home automations with ease.
• Track and Record Your Energy: With a neutral wire, the switch can monitor power consumption of connected devices and provide daily, weekly, or monthly energy reports in the Aqara Home app⁶. Use these insights to optimise electricity usage, create energy-saving plans, and improve sustainable energy use.
• Control Home Lighting Your Way: Effortlessly manage your home lighting anytime, anywhere. Use voice commands, the app, or schedules to tailor your lighting to your lifestyle. Whether relaxing at home or away, create the perfect ambience to suit your needs.

Note:
* To use the device with a Matter ecosystem, a Matter Controller and Thread Border Router for that ecosystem are required.
** Aqara Zigbee hub required.
*** Switching protocols requires a factory reset of the device.
**** Some advanced features may not be available in third-party Matter ecosystems. For full functionality, we recommend Zigbee mode with an Aqara hub.
***** Button functionality varies by SKU:
• 2 Buttons, 1 Channel: Left button only
• 2 Buttons, 2 Channels: Both buttons
• 4 Buttons, 3 Channels: Left three buttons
****** Power monitoring requires neutral wiring and may not be available in some third-party Matter ecosystems. For full functionality, we recommend Zigbee mode with an Aqara hub.

Specifications (Vertical)

Model	WS-K02E (2 Buttons, 1 Channel), WS-K03E (2 Buttons, 2 Channels), WS-K04E (4 Buttons, 3 Channels)
Wireless Protocols	Thread, Zigbee, Bluetooth
Dimensions	119 × 74 × 42 mm (4.69 × 2.91 × 1.65 inches)
Electrical Rating	120 VAC, 50/60 Hz, Max. 10 A (Resistive Load), µ
Minimum Power	5W (No Neutral), Unlimited (With Neutral), general purpose
Thread Operation Frequency	2400-2483.5Mhz
Thread Maximum Output Power	≤ 13 dBm
Bluetooth Operation Frequency	2400-2483.5Mhz
Bluetooth Maximum Output Power	≤ 13 dBm
Operating Temperature	0°C ~ 40°C (32°F ~ 104°F)
Operating Humidity	0 ~ 95% RH, no condensation
What is in the Box	Light Switch H2 Vertical × 1, Compliance Statement × 1, User Manual × 1, Screw Kit × 1, Wire Nuts Kit × 1, Wiring Sticker Sheet × 1

Automations and Complementary Products

Click a product image to go to its page details

Scene: Easy Wireless Lighting Access

Control your living room ceiling lights without leaving your bed. One button toggles the main light, double press handles the side light — all wirelessly and effortlessly.

Automation Setup

WHEN (Trigger) Button 2 is pressed // THEN (Action) Turn on/off Ceiling Light - Main Light

WHEN (Trigger) Button 2 is double-pressed // THEN (Action) Turn on/off Ceiling Light - Side Light

Scene: Smart Light Timeout

Keep your lights smart and efficient. Automatically turn lights on when someone enters a room and off when they leave, saving energy and adding convenience.

Automation Setup

WHEN (Trigger) Presence is detected IF (Condition) below 20 Lux // THEN (Action) Turn on light

WHEN (Trigger) Absence is detected over set minutes IF (Condition) above 100 Lux // THEN (Action) Turn off light

Scene: Energy-Saving Routine

Never worry about leaving lights on again. Automatically switch off all connected lights when no one is home, keeping your home energy-efficient and your bills lower.

Automation Setup

WHEN (Trigger) Weekdays at 09:00 IF (Condition) Absence (nobody is at home) // THEN (Action) Turn off all connected lights & enable Away Mode

Product Support Documents

• Step by step installation instruction video:
  Installation Video (00:11:14)
• Product User Manual:
  User Manual (PDF)
• Product FAQs:
  Frequently Asked Questions (PDF)