One end releases red illuminant for night-time use. The other end releases Orange Smoke for day-time use.
Method of actuation : During day-time, open the orange cap, seize the body with one hand, and make the percussion ring stand up. Pull the cord, then it will be ignited. During night-time, open the red cap, and discard the cap by pulling the ring. Pull the cord, then it will be ignited.