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  • New item   Smart | wireless door | window opening magnetic sensor | detector | 433MHz | white | RF | SONOFF | DW2-RF

    Smart | wireless door | window opening magnetic sensor | detector | 433MHz | white | RF | SONOFF | DW2-RF

    Code: DW2-RF
    Barcode: 6920075776089
    Inquire about this item
    Price 4.72 € VAT incl.
    ( 3.90 € VAT excl. )

    SONOFF DW2-RF is a wireless RF 433 MHz magnetic door and window sensor (up to 50 m range). Works with SONOFF RF Bridge R2 (eWeLink notifications and scenes) and RF receivers, powered by 2 × AAA batteries, mounted with double-sided tape.

  • Product description

    Smart | wireless door | window opening magnetic sensor | detector | 433MHz | white | RF | SONOFF | DW2-RF

    SONOFF DW2-RF is a wireless 433 MHz magnetic door and window sensor. When a door or window is opened, it sends an RF signal to SONOFF RF Bridge R2 or an RF receiver, which switches on a light, a siren or sends a notification.

    Key idea:
    A simple and affordable opening sensor without wiring or a Zigbee hub: with RF Bridge R2, events reach the eWeLink app and scenes.
    Connectivity
    RF 433 MHz
    Range
    up to 50 m (open space)
    Power
    2 × AAA, 3 V
    Transmitter
    70 × 31 × 19 mm

    How it works

    The transmitter is stuck to the frame and the magnet to the leaf. When the magnet moves away, the sensor registers an opening.

    The sensor sends a 433 MHz signal received by SONOFF RF Bridge R2 or another SONOFF RF receiver.

    Via RF Bridge R2 the event reaches eWeLink, where it is linked to notifications, switching on lights or other scenes.

    Why choose DW2-RF?
    The long RF range and AAA batteries make it possible to monitor doors and gates even in remote outbuildings, garages or storage rooms.

    Technical specifications

    Product type Wireless RF 433 MHz magnetic door and window sensor
    Manufacturer / model SONOFF DW2-RF
    Operating principle magnetic contact (transmitter + magnet)
    Wireless RF 433 MHz
    Range up to 50 m in open space
    Compatibility SONOFF RF Bridge R2, SONOFF RF receivers
    Power 3 V (2 × AAA 1.5 V)
    Operating temperature -10 °C … +40 °C
    Operating humidity 5–95 % RH, non-condensing
    Housing PC V0, white
    Transmitter dimensions 70 × 31 × 19 mm
    Magnet dimensions 42 × 14 × 16 mm
    Mounting 3M double-sided tape

    Main functions

    • Opening detection – signal when a door or window is opened.
    • Notifications – via RF Bridge R2 to the eWeLink app.
    • Scenes – opening the door switches on a light or siren.
    • Long RF range – up to 50 m in open space.
    • AAA batteries – easy to buy and replace.
    • Wireless mounting – double-sided tape without drilling.

    Where is it used?

    • Entrance doors
    • Garages and storage rooms
    • Outbuildings
    • Windows and balcony doors
    • Gates and wickets (in a sheltered spot)
    • Cabinets and safes

    Use by need

    For homeowners.
    A phone notification when the door or garage is opened.
    For country house owners.
    The long RF range suits remote buildings.
    For smart home integrators.
    An affordable sensor for RF Bridge R2 scenes without a Zigbee hub.

    Practical use

    If you want to know when the garage door is opened, DW2-RF is stuck to the door, paired with RF Bridge R2, and an eWeLink scene sends a notification and switches on the garage light via MINIR4 when it opens.

    Pros

    • RF range up to 50 m
    • AAA batteries
    • Simple tape mounting
    • Works with RF Bridge R2 and RF receivers
    • Affordable

    Cons / limitations

    • RF Bridge R2 required for the app
    • One-way RF link
    • Indoor use only
    • Does not work with Zigbee hubs

    Safety and installation notes

    • Install indoors in a dry place
    • Clean and degrease the surface before sticking
    • Observe polarity when replacing the batteries
    • Recycle used batteries
    • Keep away from children – contains a magnet, batteries and small parts

    Quick selection guide

    Doors / windows
    RF 433 MHz
    Up to 50 m
    2 × AAA
    RF Bridge R2
    Double-sided tape
    Suitable when you need:
    • get a notification when a door or garage opens
    • monitor remote buildings
    • create scenes with RF Bridge R2
    Check before use:
    • whether you have RF Bridge R2 or an RF receiver
    • the distance and obstacles to the RF Bridge
    • a place for the transmitter and magnet
    • whether the frames are metal
    Important reminder: DW2-RF is not a certified intrusion alarm detector – use a certified system for professional security.

    FAQ

    Is a hub needed?
    SONOFF RF Bridge R2 is required for the app and scenes.
    What is the range?
    Up to 50 m in open space, less in buildings.
    What batteries does it use?
    Two AAA 1.5 V batteries.
    Does it work with Zigbee?
    No, for a Zigbee system choose SNZB-04.
    How is it mounted?
    With 3M double-sided tape on the frame and leaf.
    Can it be used outdoors?
    No, the sensor is designed for indoor use.

    Smart | wireless door | window opening magnetic sensor | detector | 433MHz | white | RF | SONOFF | DW2-RF

    SONOFF DW2-RF is a wireless 433 MHz door and window sensor with up to 50 m RF range and AAA batteries: works with RF Bridge R2 and RF receivers for notifications and scenes.

    Illustrative image may have been created using AI. The appearance of the product may differ slightly from the image shown. Please refer to the technical specification.

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