... through the low energy control circuit (the electronic device for military level components), make its day, night shining, ... ° CAppearance: the maximum diameter sizelight, high 185mm 160mm screw long 200mm M16 screws diameterWeight1.2 Kg three aviation obstruction ... solar installation dimensionsScrew 200mm in length, screw sizes for the M16, mounting holes for F17.Four, solar aviation obstruction light ...