HAOYI Each light base features LED beads and works with an acrylic pattern plate to display colorful lighting effects. Includes IR remotes for convenient dimming, ON/OFF control. Offers 16 static color options and 4 lighting modes including flash, strobe, fade, and smooth. The LED base can be powered by 3 x AAA batteries (not included) or via USB charging cable, allowing for easy power replacement. Ideal for use in various projects, perfect for showcasing DIY acrylic plates. Specification: Power: 3W Input Voltage: DC5V Slot size: 72 x 4.6mm Color: Black + White Material: ABS Size: 87 x 87 x 40mm Package Contents: 12 x Lamp Base (8 pcs Black & 4 pcs White) 12 x USB Cable 12 x Remote Control Note: Lighting and display differences may cause slight variations between the actual product color and the images shown. Measurement error allowance is +/- 1-3cm.