Confirm the outline dimensions of the fixture, and install the lamp into the reserved hole in the ceiling showing in picture 2
open the cover of junction box
Thread the through the clip and connect to terminal block according to marked +/- polarity:
Suitable for the electrical wire at least 0.75 mm and comfirm to 60227IEC52
fix the two spring on relevant installation slot and push the fixture into the right position (ensure no wire/tube on installation interface)