The Solar Sentinel is a Solar station, which is not only attractive but also adds value and function to your Docking area. Each Solar Sentinel incorporates stylish, durable Solar lighting on an attractive, broad-based, tapered pillar to illuminate Docking areas. The Solar Sentinel also has the capability of acting as a life ring station. The optional stainless steel "j" hook can securely keep a life ring at the ready and under the convenient illumination of the Solar Sentinel by day or through the darkest hours of night. Includes Solar light, tapered pillar and replaceable rechargeable AA batteries. 40 lumens of emitted light. 12 hour run time.