Description:CTR-30 flash Christmas tree kit consists of three circuit board, allows 36 LED flash alternately, showing a Christmas tree in the space of three-dimensional profile (the night environment has better viewing).Feature:Kit Model: CTR-30 (three-color light) / CTR-30C (Colorful light)Operating voltage: DC4.5-5VPower supply: 3 AA batteries or USB charger (The adapter does not includes)Dimensions: 60 x 136 x 60mm (L x W x H)Package included:1 x Christmas Tree LED Flash Kit