3 Color Temperature Adjustable: You can switch the color of the LED by pressing the button, which are warm light (3000K), warm white light (4000K) and white light (6000K). It is more convenient for you to match different environmental backgrounds. Stepless Dimming: By pressing the "+ and -" on the button, you can brighten or dim the light brightness, allowing you to choose the light brightness at will. Universal Power Supply: This kit is powered by a 5V USB (Type-A) interface. It can be powered by a mobile phone or tablet power plug. At the same time, a computer USB interface or a power bank (with a Type-A interface) can also power this kit. Widely Used: Use 3D printing to make a unique lamp housing with this kit, and give it to relatives and friends on Christmas, Year, Valentine's Day, Easter, Halloween, birthdays, anniversaries and other holidays, which will make your gift more memorable.It can also be used outdoors, indoor night lights, and emergency lighting. Please Note: This kit does not include the 3D printed parts. The Lamp needs to be 3D printed by the user. Colour:Silver & White Material:aluminum alloy Package Contents: 4 set x LED Lamp Kit