Smoke detector (with long-life battery)

More safety for you and your loved ones: With intelligent smoke detectors, your house and apartment are safer - from the basement to the roof. If a smoke detector sounds an alarm, the signal is transmitted to all installed smoke detectors, for example from the hobby room in the basement to the bedroom under the attic.

  • Alarm signal and emergency light when smoke is detected
  • Smoke detectors can be networked with each other
  • VdS certified, Q label
  • Easy and wireless ceiling installation
  • Permanently installed battery, 10 year lifespan with typical use
  • Easy to install, set up and control
  • Also works fully locally: The local SmartHome


  • SmartHome central

Box contents

  • Smoke detector
  • Fastening material for wall mounting
  • User instructions

Technical data

Device name WSD-2.0
Supply voltage 2x permanently installed 3V lithium batteries
Battery life > 10 years (typical)
Max. Transmission power 10mW
Radio frequency 868.3MHz
Open field range at least 100m
Internal signal generator >85 dB(A)/3m
Protection class IP20
Ambient temperature 0°C to +50°C
Storage temperature -5°C to +30°C
Relative humidity Max. 93%, non-condensing
Dimensions 115x45mm (DxH)

Installation and inclusion

The smoke detectors must not be trained with each other and connected to a network before being integrated. When selecting the installation location, make sure that the smoke detector can only be mounted on the ceiling and not on the side of the wall. Pay attention to optimal acoustics. Make sure that there are no flush-mounted cables running at the drilling position!


  1. Loosen the ceiling holder (a) by pressing in the locking lug and turning the ceiling holder counterclockwise.
  2. Mark the drill hole at the desired installation location by marking this location with a pen through the mounting hole.
  3. Drill one or two holes and insert the included dowels.
  4. Attach the ceiling bracket (a) with the screws.
  5. Place the smoke detector (b) on the ceiling holder (a) and turn it clockwise into the base until you feel it click into place.

The smoke detector carries out a self-test after installation. During this time the LED changes from red to green to orange.

Include device

  1. Press and hold the button (e) for more than two seconds until the LED flashes orange. Then release the button.
  2. Start the SmartHome app and integrate the smoke detector into your SmartHome using the plus symbol.

If the smoke detector is not found immediately, please repeat the previous steps from the integration. If the search is still unsuccessful, set the smoke detector to the delivery state.

Assembly locations

Selection of the installation location

The smoke detector may only be mounted on the ceiling. Any other type of mounting, e.g. side wall mounting, is not permitted.

Mounting location on flat ceilings

The smoke detector in the room must be installed in the middle of the ceiling if possible. Maintain a minimum distance of 50 cm from the walls and corners of the room, as this can create a blockage of air that keeps rising smoke away.

Installation location on peaked ceilings

When installing in tapered roof spaces, the smoke detector must not be installed directly in the tapered roof space. When installing on a peaked ceiling, the device may only be installed approx. 1 m away from the highest point in the room, or even better on a cantilever or roof beam.

Inappropriate mounting locations

For reasons of safety against false alarms, the smoke detector should not be installed in the following rooms or locations:

Inappropriate location Source of error
In the kitchen/bathroom Steam in these rooms trigger false alarms.
Rooms with open fireplace Fire in the fireplace can cause a false alarm.
In the immediate vicinity of halogen lamps, transformers or halogen lamps as well as fluorescent and energy-saving lamps. Electromagnetic interference source can trigger false alarm. A minimum distance of 50 cm must be maintained.
In garages Vehicle exhaust fumes (smoke) lead to false alarms.
In dusty and dirty rooms Measuring chamber becomes dirty quickly or a false alarm is triggered
Near windows, near fans, fans and any other place where there is a lot of air movement Drainage prevents smoke from entering the measuring chamber. Dust particles thrown up can trigger false alarms.
Near places where people smoke. Tobacco smoke causes false alarms.
Near massive steel beams, large metal surfaces, etc. These can significantly hinder the transmission or reception of the radio signal. If necessary, try moving the smoke detector by a few centimeters.


Factory Reset Devices