Thunder life jacket model, 275 Newtons in red, with dual inflation mechanism. It features an automatic deployment that activates upon water contact, inflating the jacket's chamber. This model includes an approved light, harness, and attachment rings to secure to the person's torso. Suitable for chest sizes from 55 to 175 cm and certified for adults weighing between 43 to 140 kg. It has M.E.D and SOLAS certification, with available replacements for mandatory inspections.