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. Item Type: LED Light Base Rectangle Display Stand Material: ABS Product Function: Single Mode Light Switch Mode: Hand Dial Switch Number of Lamp Beads: 4 LED Lamp Beads Power Supply Mode: 3 AAA Batteries, USB Cable (Ship with Inbuilt Battery) Applicable Items: Crystal Glass or Acrylic Sheet with Thickness 0.9 to 1cm and Length 8 to 9cm Product Use: Suitable for Self Made Crystal, Acrylic, Glass Interior Carving Decoration, Self Made Acrylic Photo Frame Luminous Display, Etc. 1 x LED Light Base Rectangle Display Stand 1 x USB Cable