HemiLight™2Survivor Light The choice of cruise lines worldwide the ACR Auto HemiLight™2 attaches to almost any style life jacket. It is smaller than other approved lights and features rounded edges to maintain inflation bladder integrity in nflatable jackets. The all new LED light activates 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 with the all new Dragon Clip™ which provides secure retrofit attachment to almost any style life jacket in a matter of seconds. FEATURESWater-activated LED flashing survival light with manual deactivation switchMeets USCG and SOLAS requirementsAttachment loops acmodate up to 5 cm (2 in) wide webbingRounded edges to maintain integrity of inflatable life jacketsSmaller than other approved lightsHighly visible flashing LED lightMarine tough design for years of useful serviceSize: 2.75"L x 1.47"W x 1.37"H (6.9 x 3.7 x 3.5 cm) Weight: 1.9 oz (55g) Battery: Non-hazardous lithium. 5 yr life (not replaceable) Meets DOT and IATA rules for safe transport Material: Polycarbonate Activation: Automatic when in contact with water (fresh or salt) deactivate via manual switch Waterproof: Water tight to 30' ( 9.14 m) Meets IMO standard Beam Angle: All directions of the upper hemisphere Operational Life: Exceeds 8 hr. requirement Typical operational life of 16 hrs Operating Temp: +30°F to +86°F ( -1°C to 30°C) Stowage Type: -22°F to + 149°F (-30°C to +65°C) Approvals: USCG SOLAS Transport Canada Approved: MED SOLAS Limited Warranty: 1 year Product : ACR AUTO HEMILIGHT 2 HL8-10 AUTOMATIC USCG/SOLAS-LSA Manufacturer : ACR ELECTRONICS Manufacturer Part No : 3768.1 UPC : 791659376812