Each light base features LED beads and operates with an acrylic pattern plate to display vibrant lights. Comes with IR remotes for convenient dimming and ON/OFF control. Offers 16 static color options and 4 lighting modes such as flash, strobe, and fade. The LED base can be powered by 3 x AAA batteries (not included) or a USB charger cable, perfect for showcasing your DIY acrylic plates. Specification: Power: 3W Input Voltage: DC5V Slot size: 72 x 4.6mm Colour: Black + White Material: ABS Size: 87 x 87 x 40mm Package Contents: 12 * Lamp Base (8 Pieces Black & 4 Pieces White) 12 * USB Cable 12 * Remote control Only the above package contents are included; other products are not included. Note: Lighting and different displays may cause the color of the item in the picture to vary slightly from the actual item. The measurement allowed error is +/- 1-3cm.