The Lithium Battery Lifejacket Light Automatic W3, with part number 1330, is a safety device designed to meet rigorous standards. It features a minimum light output of 0.75 cd and a duration of at least 8 hours, with a white flashing LED light type. Constructed from durable ABS Polycarbonate and TPE, it operates effectively within a wide temperature range and boasts a storage life of 5 years. Weighing approximately 31.3 g, it utilizes a lithium thionyl chloride battery and can be activated manually or automatically upon water contact. This device is approved by major classification societies, including SOLAS, MED, and USCG, ensuring compliance with safety regulations.