Model 0E-STROBERPA is a high output, rainproof strobe suitable for both indoor and outdoor applications. Strobe life expectancy is 50,000 hours, up to 250 times that of comparable models. Mounts on bell box or other enclosure (including W Box model 0E-STSTSIREN) or directly to wood or other surface. Two bolts, two nuts and two wood screws are provided. An adhesive mounting gasket is provided to enhance rainproo ng. A rubber ring seals the lens with the base.