DoDoLightness New Arrival 4W 3.7 Inch Ultra Thin Anti-fogging Square Ceiling Panel LED Recessed Lighting Trim Downlight (Cool White) uper bright lighting with high quality light-guide plate, glare-free. Can be ceiling or wall surface-mounted, recessed mounted. Safe power interface, and easy to install and dismantle. Special shape design: Ultra-slim and low-profile beautiful square appearance Anti-fogging facemask avoiding the lights dimming