What color does a signboard with the word "exit" usually indicate?

The exit signs are light yellow, green and blue.

The safety exit sign, also known as the luminous sign, is a non-toxic, harmless, non-radioactive and energy-saving sign without power supply. The exit sign is usually set above the door or near the exit, and there will be an arrow on the sign to indicate the exit direction. When there is a safety accident indoors, people can escape from the safety exit door according to the instructions of the safety exit sign.

The exit sign is made of light storage and self-luminous material, which has the functions of light absorption and light storage. The bright place absorbs visible light such as sunlight and lights for 10-20 minutes, and can continuously emit light for more than 8- 12 hours. The indoor continuous service life is as long as 30 years, and the outdoor continuous service life is as long as 10 years.

Product characteristics of signs with the words "safety exit"

1, non-toxic, harmless and non-radioactive.

2, no power supply is needed, and it is an energy-saving product.

3. Convenient installation and novel form.

4. The safety factor is high, and the luminous safety factor is as high as 100%.

5. No maintenance is needed, and the light absorption and luminescence process can be reused for unlimited times.