SONOFF DW2 Wi-Fi Door & Window Sensor
The SONOFF DW2 Wi-Fi monitors your doors and windows and sends an instant phone notification whenever they open or close. It connects directly to 2.4GHz Wi-Fi with no gateway or hub needed, works with the eWeLink app, and supports Amazon Alexa and Google Assistant.
It keeps an open/close history of up to 3 months, alerts you when the battery is low, and installs in minutes with 3M adhesive and no drilling. Runs on 2 AAA batteries (not included) and is designed for indoor use.
SONOFF DW2 Wi-Fi Door & Window Sensor – No Hub Required, eWeLink App
The SONOFF DW2 Wi-Fi lets you monitor the doors and windows of your home or office in real time. It sends an instant notification to your phone whenever a door or window opens or closes and shows the status live in the eWeLink app. The sensor connects directly to your 2.4GHz Wi-Fi with no gateway or hub needed, installs in minutes with 3M adhesive with no drilling or wiring, and works with Amazon Alexa and Google Assistant.
Works Without a Gateway or Hub
- Pairs with the eWeLink app over Bluetooth during setup only.
- After setup, it runs directly on your home 2.4GHz Wi-Fi.
- No Zigbee gateway or any extra bridge device needed.
- Check door or window status from anywhere over the internet.
- Share the device with family members so everyone can see the status.
Instant Alerts & Full History
- Instant phone notification when a door or window opens or closes.
- Live "open" or "closed" status inside the app.
- Open/close history log of up to 3 months.
- Battery level display with a low-battery reminder.
- Triggers when the magnet moves more than 20 mm from the sensor.
Key Features
The SONOFF DW2 is a simple, affordable way to monitor entry points at home or in the office, and it can also trigger smart scenes with other SONOFF devices.
Smart Scenes & Device Linkage
- Turn lights on automatically when the door opens using SONOFF switches or bulbs.
- Create scenes and automations in eWeLink based on door or window status.
- Link the sensor with supported eWeLink cameras to see what is happening when an alert fires.
- Ask Amazon Alexa or Google Assistant whether a door or window is open.
- Home Assistant integration via eWeLink (to be confirmed).
Easy, Tool-Free Installation
- Mounts on the door or window frame with 3M adhesive, no drilling.
- Two parts: the sensor (transmitter) on one side, the magnet on the other.
- Keep the gap between them under 5 mm when the door or window is closed.
- Also suitable for cabinets, drawers, and storage rooms.
- Indoor use only, away from rain, metal surfaces, and magnetic objects.
Why Choose the SONOFF DW2 Wi-Fi?
- Works directly on Wi-Fi without buying an extra hub.
- Instant alerts give you peace of mind about your doors and windows while you are away.
- Open/close history of up to 3 months to review activity.
- Installs in minutes with 3M adhesive and no wiring.
- Compatible with Alexa, Google Assistant, and eWeLink scenes.
- Low power consumption and runs on two easy-to-find AAA batteries.
Technical Specifications
| Brand | SONOFF |
| Model | DW2-Wi-Fi |
| Product Type | Door/window open-close sensor |
| Connectivity | Wi-Fi IEEE 802.11b 2.4GHz |
| Pairing Method | Bluetooth via the eWeLink app |
| Hub Required | No |
| App | eWeLink (Android 4.1 / iOS 9.0 or later) |
| Voice Assistants | Amazon Alexa – Google Assistant |
| History Log | Up to 3 months |
| Batteries | 2 × AAA 1.5V (not included) |
| Working Voltage | DC 3V |
| Quiescent Current | ≤ 40µA |
| Transmit Current | ≤ 15mA |
| Installation Gap | Less than 5 mm when closed |
| Trigger Distance | Magnet separated by more than 20 mm |
| Sensor Dimensions | 70 × 31 × 19 mm |
| Magnet Dimensions | 42 × 14 × 16 mm |
| Material | PC V0 |
| Color | White |
| Operating Temperature | -10°C to 40°C |
| Installation | 3M adhesive – indoor use |
| In the Box | Sensor – magnet – mounting adhesive – user manual |
Important Note
The sensor runs on 2 × AAA batteries, which are not included. It supports 2.4GHz Wi-Fi only, so make sure the Wi-Fi signal is strong at the installation spot. This sensor is for home monitoring and alerts and is not a substitute for a certified alarm system.
| Brand |
Sonoff |
|---|
Fast & Secure Delivery 🚚
Across All of Egypt
At Aura Smart Home, we are committed to delivering your orders with the highest standards of speed and safety — through trusted shipping partners for your complete satisfaction.
Shipping Fees
- Flat fee of 200 EGP on all orders
- Free shipping on orders over 10,000 EGP
- Exact cost shown at checkout
- Occasional free shipping promotions
When You Receive Your Order
- Check the outer packaging for damage
- Inspect the product before signing
- If damaged — do not sign
- Contact us within 24 hours
Late Delivery
If your delivery exceeds the expected timeframe, contact our customer support team immediately — we'll track your shipment until it reaches you.
Free Shipping on Large Orders!
Order 10,000 EGP or more and enjoy free delivery to any governorate in Egypt. Save 200 EGP on every big order!
Reviews
There are no reviews yet.