Here there are alarms, that is a warning devices for dangerous events like a fire or an undesirable situation such as a theft. In the pictures there is the yellow or red lamp that is put outside the house types or the shop: it flashes and makes a strong sound to give warning signals. Often the alarm is connected with the closest police station.

photo -> technology -> alarm

Related ads
photo categories
free photo

the category technology, of the cepolina free photo collection, also includes: