... matter how high flagpole, no welding point; 5, Raise a flag mode: manual, electric, remote control. 6, Rlagpole can be anti- ... microcomputer control box one set(including the national anthem chip), a step electric lift, 40W Outdoor Audio 2 sets, an ... national anthem playing simultaneously, all done automatically by a computer-controlled, error ≤ 0.01 second. Manual internal halyard tapered flag pole