Metal winding process with 20 LED Lights Fine copper wire is made by winding back and forth, which increases the stereoscopic effect of the top star of the Christmas tree. From a distance, the whole lamp becomes more fully layered. It's also stronger and less likely to deform. Also twisted are 20 LEDS, which glow warm white on a cold winter day. Especially when the lights are off, it radiates warm light in the dark. | Two batteries, slow power consumption From top to bottom, it is 11.8 inches/30 cm long and 6.3 inches/16 cm wide, suitable for most Christmas trees. Powered by two 5AA batteries, low energy consumption, can last for a long time. TIPS, What you buy is only the Christmas tree topper star, you need to buy the battery yourself. | Wide circle base, stable and not easy to tilt Wide spiral coil base,lightweight and easily stay in place and keep straight, won't topple over from being too heavy. |