THIN is a series of surface-mounted ceiling lamps with a color temperature switch on the body for basic lighting. The switch allows you to set one of three color temperature modes - 3000K, 4000K, 6500K. The thickness of the lamp is only 25 mm. The diffuser is made of matte acrylic.

DK6520-BK
DK6520-WH
DK6524-BK
DK6524-WH
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https://www.denkirs.ru/catalog/ceiling-mounted-lights 
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Protection degree: IP20
Material: aluminum
Height: 25 mm
Diameter: 220 and 600 mm
Voltage: 220 V
Lamp type: LED
Power: 18W and 50W
Color temperature: 3000K, 4000K, 6500K.