6pcs per set, Each deck light (Material: Stainless Steel 304+ ABS) size is at 4cm diameter/ 2.54cm diameter han height 3cm,and Each Deck Light is illuminated by 1 x 5050 LED, with Poly-Resin fully covered for waterproof, AC12V products, with outdoor use CE/GS/UL/IP44 approved adaptor (Output: AC 12V / 6VA), with controller box, color changing funtion by Remote Controller (included) ------ with this remote controller, you can choose On or Off, and you can choose any color as you want, and also has timer (5H/8H/10H)function, and include a drill bit (easy for the consumers to drill the correct holes for fixing / amounting this Deck Light Set. Spacing 1.5M, and with 4.5M extension cable. Ready finished for indoor or outdoor use, Connectable. in color box packing. ***Remarks: 4pcs/set or 10pcs/set can also be available.