1、2 Power Supply Modes: 3 AAA batteries (delivered without batteries) and USB cable, USB cable length 120cm, suitable for power bank, computer, etc. 2、Easy to Operate: Display base is perfect for use as a table decoration in a bedroom or office, just plug it in or install a battery and your keepsake will shine. 3、ABS Material: The light display base is made of ABS material, which is wear resistant and durable, light weight, portable and durable. 4、Scope of Application: 4 LED lamp beads, suitable for self made crystal, acrylic, glass interior carving decoration, self made acrylic photo frame luminous display, etc. 5、Perfect Gift: With a unique, beautiful, and more convenient design than others, it's perfect for displaying your belongings, or for gifting.