Red fire alarm button on wall ,
CCTV cameras installed on the road for traffic reports and speed
Red fire alarm button on wall ,
Woman expert in data center stressed by critical error popup on laptop
Error and malfunction. Monitoring of system fault
Train traffic light near the railways in Mortsel, Antwerp, Belgium
Astronaut attempts to fix damaged suit after red light error inside spacecraft
Cosmonauts doing brainstorming, reacting to red light alert flashing
Red fire alarm button on wall ,
Space traveler starting to lose consciousness from low oxygen levels
Astronaut looks at photo of loved ones on smartphone before losing consciousness
CCTV security surveillance camera on the wall at the office
Astronaut starting to lose consciousness from low oxygen levels
Spaceship crew member stressed by unknown hull breach causing alarm to sound
Woman in malfunctioning starship activates onboard backup systems
Astronaut looks at photo of loved ones on smartphone before losing consciousness
Retro megaphone on light background
Spaceship engineer using laptop to fix unknown hull breach starting alarm
Smoke detector
Panic alarm, police, emergency button in the public park.
Retro megaphone on light background
Shop owner closed down due to virus next wave
CCTV security camera
SOS, police, emergency button in the public park.
Alarm tower
SOS, police, emergency button in the public park.
Industrial modular signal light. Red, yellow and green
A thief and a sign of attention. Danger of being deceived or robbed. Warning about fraud
Fire alarm
The red emergency telephone in the office building
