ACR Firefly PRO SOLAS Emergency Distress Strobe LightThe new Firefly PRO emergency strobe light boasts an all-new light output power management system that produces over 41 candela of light per strobe for up to 56 hours of use with standard alkaline batteries. Using wide light emission LEDs, it cuts through the foulest conditions creating a super-bright flash visible for over 3.5 miles. The new compact size will easily fit inside an inflatable life jacket or pocket for comfortable wear-ability. The military spec casing is rugged enough to withstand years of abuse and the harshest environments. The two lashing loops and included Velcro strap make mounting the Firefly PRO to your life jacket, belt or pack extremely easy so that the strobe light can be readily accessible the moment you need it.Specifications: Manual ON/OFF Switch; Waterproof Factory tested to 33 feet (10 m); Lamp LED cool white; Strobe Intensity 26.8 Candela minimum; Strobe Visibility Over 3.2 miles; Strobe Flash Rate 60 P/M +/-; Strobe Operation 56 hours minimum; Certification SOLAS Approved, USCG Approved;