One result of current demographic change is an aging population. People are living longer and in old age increasingly suffer from dementia or require care for other reasons in old age. Diverse statistics, literature, studies and dissertations can be found on the devastating effects of falls in older people. More than 75% of accidental deaths at home in those over 65 years of age are caused by falls (e.g. 6,245 deaths in 2012). Grannyguard can independently detect that a person has had an accident and immediately call for help.

An assistance system should work discreetly in the background 24/7 without any interaction. Unobtrusiveness is an important requirement. The resident should feel safe and not unsettled or even under surveillance.

When it comes to fall detection, the sensor principle is 100% passive, that means no energy is emitted: no radio waves, no light and no sound. Only the thermal energy radiated from people is collected and intelligently analysed. Pets are taken into account and will not trigger an alarm.
Grannyguard covers an entire room:

In Germany, privacy protection is taken from the general right of privacy in the constitution. Furthermore, both the privacy of the home and confidentiality of communications are legally binding and of course apply for senior citizens. Because of this, Grannyguard does not use a camera; rather it only records a limited number of temperatures around the room. Gestures and body parts cannot be recognised.
In the case of an alarm, text messages are sent and voice calls established. The user is in control of who receives these as he configures all telephone numbers.

Sensor data never leaves the device while it is in normal operating mode. All radio modules are turned off not only to save energy. Grannyguard is as vulnerable to attack by criminals as a light switch – that is, not at all.

No Internet – No Cloud.

Your parents are often at home alone. They could fall and you worry what would happen as dangers to health or even fatal situations can arise.

The most important thing is that help is called at once!!

Conventional emergency call systems only make sense if their correct and active operation can be ensured and is possible. Until now, only passive home emergency call systems that have to be operated manually existed. But that’s not always possible because the person involved may be confused, suffer from dementia or even be unconscious. And besides this, most falls happen at night on the way to the toilet when the emergency button is most often on the bedside table so help is out of reach. In contrast, an active emergency call system, which can detect a fall or critical situation itself – day or night – can help trigger an alarm for you even if you’re not able to. Grannyguard is exactly such an active emergency call system. Grannyguard detects when you have fallen, immediately sends an SMS to a previously arranged helper, such as your children or friends, and then telephones them, or other trusted people, without delay..


Grannyguard has won numerous international awards. It is almost invisible, as it hides itself in a light switch so protecting an entire room.