1. Light up

1. Brightness level

2. Flashing light mode

3. Not turned on

4. Device to turn on or off the flashlight

5. Gives off illumination

6. Portable handheld light

7. Adjust the beam's width

8. Outer protective covering

9. Distress signal in Morse code

10. Intensely illuminating

10. Narrow stream of light

11. Resistant to shock and impact

12. Does not allow water to pass through

13. Power source for flashlight

14. Light source

15. Having a lot of brightness

16. Emit a soft light

17. Having little brightness

17. Light-emitting diode

18. Activated or functioning

19. Not very bright