A life buoy is provided with self-igniting light and self-activating smoke signal which is available for use by day and at night and to be equally distributed on both sides of the ships.

1．Hiding rate: ≥70%≥15min
2．Smoke time:≥15min
3．Lights time: ≥2h
4．Lights Luminance: ≥2cd
5．Validity: 3 years.
6．Weight: 4.0Kg