The lifebuoy light will be floated upright automatically in water and begin to flash as soon as lifebuoy which the unit is attached is thrown into the water.
Product Inspection Standard: Requirements of 1996 Amendments to SOLAS 1974 and LSA Code and Resolution MSC.81(70)
| Type | QD-L-B |
| Luminous Intensity | ≥2.00cd |
| Time of Power | ≥2h |
| Operation Voltage | 3.6V |
| Stowage Environment Temperature | -30∼+65℃ |
| Water-activated Temperature | -1∼+30℃ |
| Lighting Form | Flashing |
| Flash Frequency | 50∼70times/min |
| Color of Light | White |
| Weight(including battery) | ≤150 g |