Each light base has 10 LED beads, works with a acrylic pattern plate for showing colorful light Come with IR remotes, which allows for convenient operation about dimming and ON/OFF 16 static color light and 4 lighting modes to choose such as flash, strobe, fade, smooth The LED base operated by 3 x AAA batteries(not include) or USB Charger Cable, which can be replaced easily Lights base worked perfectly for your projects, display your DIY acrylic plate Specification: : 3W Input Voltage: DC5V Dimensions: 87 x 87 x 40mm Slot size: 72 x 4.6mm Colour:black Material:ABS Package Contents: 10 * Lamp Base. 10 * USB Cable. 10 * Remote control Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.