The networkable smoke detector RM L 3101 in a practical set of 4 from Brennenstuhl with a built-in 10-year battery is ideal for wirelessly networking up to 40 smoke detectors (wireless range up to 100m) and thus ensures maximum safety in living spaces, care facilities, retirement homes, hospitals, kindergartens, etc., as all people in multi-storey buildings can be warned in good time. You should meet the minimum protection requirements and equip every bedroom and children's room as well as all hallways that serve as escape routes with a smoke detector.
You do not need the internet or an app to use the networked smoke detectors, so even older people can use them without any problems.
The fire alarm also impresses with the following features:

• Suitable for wireless networking of up to 40 smoke detectors
• 3 V lithium battery permanently installed in the device for constant functional reliability
• Increased stability, e.g. against external influences
• Quality seal "Q" - smoke alarm meets the increased requirements of the vfdb guideline 14-01
• tested according to DIN EN 14604
• Penetrating alarm signal 85dB
• Optical display of the function, with test button for function testing
• Optical and acoustic signal when battery level is low
• Includes mute function in case of false alarm and "do not disturb" function in case of low battery
• Optical display of the function, with test button for function testing