Specifications:Condition: Kit Name: Glitter Christmas TreeKit model: CTR-30 (three-color light), seven-color light (optional)Working voltage: DC4.5-5VPower supply mode: 3 AA batteries (not included) or USB cableDimensions: 60mm long * 60mm wide * 136mm highFeatures:Made of material, durable and practical to use.Comes with USB cable, finished product - When powered using the supplied USB cable, the LED Christmas tree will be colorful and blinking. Different flashing lights will light up your life.Cool gifts and decorations, this cool LED flashing Christmas tree is a great gift for girls, boys, friends, family, or DIY lovers. It can be used as a tabletop display toy or as a beautiful decoration during festivals and festivals such as Christmas. You can also use it as a delicate bed lightThe delivery is in loose parts and needs to be welded by yourself. The finished product effect video (the first half is the three-color lamp video v.youku.com/v_show/id_XMTMwMjQ3MjM2OA==.htmlCTR-30 Flashing Christmas Tree Kit is composed of three circuit boards. Users can assemble the 37 LEDs alternately by welding and flashing alternately, showing the outline of the Christmas tree in the space (the viewing effect is better in the night environment).Production steps:Download address for production steps: pan.baidu.com/s/1qW5PlusPackage Included: 1x 3D LED Flashing Christmas Tree Circuit Kit (optional) Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.