Feature: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.Specification:Item Type: LED Light Base Rectangle Display StandMaterial: ABSProduct Function: Single Mode LightSwitch Mode: Hand Dial SwitchNumber of Lamp Beads: 4 LED Lamp BeadsPower 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 9cmProduct Use: Suitable for Self Made Crystal, Acrylic, Glass Interior Carving Decoration, Self Made Acrylic Photo Frame Luminous Display, Etc..Package List:1 xLED Light Base Rectangle Display Stand1 x USB Cable