Our light design is a heavy gauge fully powder coated aluminum fixture with a weather tight rubber gasket glass jar enclosure to protect bulb and socket area as well as provide 360°of light output. We include an 8' line wire which is compatible for a 12v low voltage wire. You may purchase your TRU-POST ™ Light for a 2" x 2" thin wall (.060) line or corner posts or a 2" x 2" thick wall (.125) gate post.