Fits externally over 4" Sq." or 5" Sq. post, 4" Sq. solar panel, (1) ea. Rechargeable 3.2 V LiFe PO4 14500 600 MaH, 4 ea. LED lights, Up to 12 hours of light, includes adapter for use with 4" posts, 3-1/2" post adapter available separately for 3-1/2" PVC post or 4" Sq. wood post, 9000 Kelvin, 3 Lumens (US Patent # 6,722,637)

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