Durable finish and long service life: generation baking varnish technology with selected iron materials and a multistep build and inspection process results in a beautiful lamp that lasts longer. Ultrathin square LED ceiling light: Only 5 cm thick, saving space and seamlessly matching interior decoration to create a warm, comfortable lighting environment. Eye protection and stable performance: Smart constantcurrent driver provides steady light with no flicker or glare and color rendering to protect eyesight. Main light and side color options: The main body emits white light (not dimmable). A threecolor light option can be exchanged on the side. It can be controlled by a wall switch (not included) and operated with a single button for ease of use. Specifications at a glance: Square LED ceiling lamp, white light main output, side exchangeable threecolor light, nondimmable main light, smart constantcurrent driver, integrated construction with durable iron and baked varnish finish, 5 cm thickness. Practical use scenarios: Home environments such as living rooms, bedrooms, kitchens, and hallways where space is limited and a clean, warm ceiling light is desired. Office or conference room settings requiring steady, nonflicker lighting with reliable color rendering for work tasks. Hotels, lobbies, and reception areas that benefit from a slim, attractive ceiling fixture with simple on/off operation.