9 Alarm signalling apparatus; alarm sensors; intruder detecting sensors (other than anti-theft apparatus for vehicles); sensors for engines; apparatus for communication; apparatus for data transmitting; apparatus for displaying information; data communications apparatus; data communications instruments; detection apparatus, other than for medical use; cameras; distance sensors; electrical sensors; measuring sensors; movement sensors; safety monitoring apparatus (electric); sensors (measurement apparatus), other than for medical use; sensor apparatus, other than for medical use; computer software applications (downloadable); downloadable software applications (apps).