Smoke Detector RM40 Li (Art. no. 55811)

  • Bedrooms, children’s rooms, corridors
  • Tip: Check the functioning every four weeks
  • In the event of one alarm being activated, all other alarms within range will also be set off
  • Several smoke detectors can be linked wirelessly (via radio)

Smoke Detector RM40 Li (Art. no. 55811)


  • Tested according to DIN EN 14604
  • Optical smoke alarm with integrated Piezo alarm
  • Power supply: 1 x 9 V lithium block battery (battery life of up to 2 years with wireless operation)
  • Detectors can be wirelessly connected, max. up to 32 units.
  • Coverage: max. 40 m² within a room
  • Alarm volume: 85 dB
  • Wirelss networking: 868 MHz Security-Frequency
  • LED-display
  • Insect protective grid
  • More security and larger ranges due to cascadability of detectors (series circuit or star-shaped network with central detector)
Technical drawing
Art. no.: 55811
Battery: with lithium battery
Dimensions: Ø 102 mm x 35 mm
Packaging: individual box
Version: Wireless smoke detector
Weight: 207 g
color: pure white

Wireless smoke alarms

ABUS wireless smoke alarms are linked together without cables. If one alarm is triggered, all the other wireless smoke alarms within range will also sound. In case of emergency, the alarm will be transmitted from detector to detector – and you will be alerted reliably. This increases the security of your home and your family. Our motto here is: "all for one, one for all" Keep yourself safe at home in every way you can. Ideally, wireless ...
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