Ledytech 15w 5730 SMD Led Panel Ceiling Light Fixtures Circle Annular Round Replacement Board Bulb 3500K 1-Pack (Warmwhite 3000-3500k);

15w
Out Diameter 19.5cm( so the light base should be 21cm or more for this light panel ) Inside Diameter 14.1cm
30 LEDs
110LM / Watt
FOR 8-15 M2 ROOM
TAIWAN 5730 SMD
110 Lumen Per watt
Driver : Input 100-265v 50/60Hz for global use
Light temperature
Warm White 3000-3500k
For home and office , the light stable and brightness , protect eyesight
Energy saving than plain bulbs
Long lifespan 5 years ( not same as the plain bulbs , you have to change them every one or two years , the plain bulb easy become darker )
Packing detail :
1 x 15w Led Light Panel
Led driver
Some Magnets(light base should be steel ),
1 x instructions and easy to use
Not including cover