Water-activated, extra powerful LED light with luminous intensity exceeding 0,75 cd • ON-OFF button for manual operation when out of the water • High performance and sustainability, with alkaline battery that ensures 5-year lifetime and more than 8 hours of continuous operation. Alkaline batteries allow for smoother and easier management of waste batteries. • Durable plastic housing, 100% waterproof via ultrasound welding • With attachment clamp for variety of lifejacket sizes/types, that fits & locks easily in two moves (for every 20 - 50 mm lifejacket belt), providing a secure fitting and preventing the light from being dislodged by brusque movements • Clearly marked approvals for inspection purposes • Ideal for cruise vessels and ferries