ACR HemiLight 3 Automatic Survivor Locator LightThe choice of cruise lines worldwide, the ACR Auto HemiLight 3 attaches to almost any style life jacket. It is smaller than other approved lights and features rounded edges to maintain inflation bladder integrity in inflatable jackets. The all new LED light activates for 20+ hours when in contact with salt or fresh water and can be deactivated by sliding the switch to the off position. Installation is quick and simple. This light features two configurations and can be turned into strobe mode either manually or automatically.Features: Water-activated LED flashing survival light with manual deactivation switch.; Meets USCG and SOLAS requirements.; Rounded edges to maintain integrity of inflatable life jackets.; Smaller than other approved lights.; Highly visible flashing LED light.; Marine tough design for years of useful service.; Specifications: Weight - 0.98 oz.; Battery - Non-hazardous lithium. 5 Year life; Waterproof - Water tight to 10 ft.; Operational Life - Exceeds 8 hr. requirement, typically 20+ hours; Operating Temperatures - +30AdegF to +86AdegF; Approvals: USCG SOLAS, MED SOLAS