Deckorators Versacap Solar Post Cap Deckorators post cap. Adds lighting to deck and fence posts without the hassles of wiring and electricity. Features 2 removable collar inserts nested inside the base to fit post sizes between 5 and 5-1/2 square. Remove 1, both, or none of the bases to achieve actual inside dimensions of 5-1/2 x 5-1/2 , 5-1/4 x 5-1/2 , and 5 x 5 . Includes 2 rechargeable batteries. Common Dimension 6 In. x 6 In., Material Plastic Top, Beveled Glass Lenses, Fasten Unit Press-On, Color Black, Type Solar, Actual Dimensions Varies, Pkg Qty 1, Package Type Clamshell WARNING Thisproduct can expose you to chemicals including Cadmium which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www. P65Warnings.ca.gov.