The present invention relates to a three stages-integrated closed-circuit television (CCTV) support including: a lower side support fixedly installed while standing on the ground; a connection support which is coupled to an upper end of the lower support, has a through-hole formed at an upper portion and a lower portion, is opened at a front side and a rear side thereof, and which has an accommodation space formed thereinside; an upper support coupled to an upper end of the connection support; a cross bar coupled vertically at a position adjacent to an upper portion of the upper support and having a surveillance camera installed at one end portion thereof; and a control box coupled to a lower portion of the connection support and mounted in the accommodation space. The present invention further includes a rainwater inflow prevention port coupled between the upper surface of the control box and the connection support and formed with a protrusion protruding toward an upper through-hole of the connection support. Accordingly, the present invention is able to prevent rainwater flowing down on the inner side surface of the upper support from flowing into the control box.
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