SONOFF DW2-RF

Introduction

The SONOFF DW2-RF is a low-power wireless door/window sensor. It detects the open/closed status of doors and windows by sensing the separation of a magnet from a transmitter. It is designed to work with the SONOFF 433MHz RF Bridge for smart operations and interworking with other devices.

Operation Instruction

1. Download APP

   Download the 'eWeLink' application from your app store.

   Description: QR code displayed for downloading the eWeLink app for both Android™ and iOS devices.

2. Install Batteries
   1. 2-1. Remove the back cover of the transmitter.

      Description: An illustration showing a tool being used to gently pry open the back cover of the transmitter unit.

   2. 2-2. Insert batteries into the battery compartment based on identifiers of positive (+) and negative (-) poles.

      Description: The battery compartment of the transmitter is shown, with indicators for correct placement of two AAA batteries, ensuring the positive (+) and negative (-) terminals align correctly.

   3. 2-3. Close the back cover.

   ℹ️ The battery is not included and must be purchased separately. ?

3. Add Sub-devices

   Connect the SONOFF RF Bridge before adding the sub-device.

   Description: A screenshot from the eWeLink app showing the 'RF Bridge' interface with an 'Add' button, indicating no remote devices are currently added.

   Access the eWeLink APP and select the Bridge. Tap 'Add' to select the alarm. A 'Beep' sound from the Bridge indicates it has entered pairing mode.

   Then, separate the magnet from the transmitter by more than 20mm until the LED indicator on the transmitter stays on for 1 to 2 seconds. The pairing is complete when you hear 'Beep Beep' from the Bridge.

   Description: A diagram illustrating the transmitter and magnet being separated by a distance greater than 20mm.

   ⚠️ If the addition fails, move the sub-device closer to the Bridge and try again.

Install the Device

1. 1. Tear off the protective film of the 3M adhesive.

   Description: Illustrations showing the protective film being peeled off the adhesive backing of both the transmitter and the magnet components.

2. 2. Try to align the mark line on the magnet with that on the transmitter during installation.

   Description: A diagram showing the transmitter and magnet components with alignment marks indicated, to ensure proper positioning.

3. 3. Install them in the opening and closing area separately.

   Ensure the installation gap between the transmitter and magnet is less than 5mm when the door or window is closed.

   Description: A diagram illustrating the small gap (<5mm) required between the transmitter and magnet when a door or window is closed.

Specifications

Product Introduction

The device weight is less than 1 kg. The installation height of less than 2 m is recommended.

Description: A diagram showing the transmitter and magnet components, labeling the LED indicator, alignment marks, transmitter, and magnet.

Features

• ⚡ Low-energy
• ?️ Alarm recordings check
• ? Smart scene

The DW2-RF is a low-energy wireless door/window sensor that makes you know the opening status of door and window by separating the magnet from the transmitter. Connect it with the Bridge and you can create a smart scene to trigger other devices.

Application

Description: Diagram showing the sensor installed on a door. The transmitter is on the door, and the magnet is on the frame, positioned to align when the door is closed.

Description: Diagram showing the sensor installed on a window. The transmitter is on the window, and the magnet is on the frame, positioned to align when the window is closed.

Replace Batteries

Description: An illustration showing how to remove the back cover of the transmitter and access the battery compartment for battery replacement.

FCC Warning

Changes or modifications not expressly approved by the party responsible for compliance could avoid the user's authority to operate the equipment.

This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

FCC Radiation Exposure Statement:

This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator & your body. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter.

Note:

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.

Declaration of Conformity

Hereby, Shenzhen Sonoff Technologies Co., Ltd. declares that the radio equipment type DW2-RF is in compliance with Directive 2014/53/EU. The full text of the EU declaration of conformity is available at the following internet address:

https://sonoff.tech/usermanuals