Attractive traditional design our Classy post cap is engineered to provide up to 12 hours of light automatically every night. Fabricated with 4 high output LED"s that cast a bright white downward onto the side walls of the cap, creating a unique ambience. White High Performance solar lights_stays lit for up to 12 hours Casts a beautiful white light downward onto the outside walls of the cap and surrounding area Lights up automatically every night 4 High output LED"s for brilliant white light 2 Long life AA NiCad rechargable batteries included Will fit over a 4"x4" PVC post Patent No. 6,581,335 B2 / D460,570S