HemiLight2, Survivor Light , The choice of cruise lines worldwide, the ACR Auto HemiLight2 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. , FEATURES, Water-activated LED flashing survival light with manual deactivation switch, Meets USCG and SOLAS requirements, Attachment loops accommodate up to 5 cm (2 in) wide webbing, 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. Size: 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