APL.0104.19.05 Aployt Dayon ceiling lamp
https://omnilux.ru/catalog/products/apl-0104-19-05-svetilnik-potolochnyy-aployt-dayon/#char 

Dimensions
Weight, kg 0.2200
Rotatable light source No
Length and width of outer part 70x70 mm
Cutting hole depth 65 mm
Mortise hole size Diameter 63 mm
Packing width (mm) 80
Packing height (mm) 90
Packing length (mm) 80
Materials and color
Armature material Aluminum
Armature color White
Shade material Acrylic
Shade color White