Auto color changing.
Built in LED, bright and energy saving.
Battery operated! No need to plug in! Can use anywhere!
Jazz up your room, dorm, bar or car.
Perfect mood builder.
power: 3 X AG13 button cell battery (include)
change color automatic between red blue green orange(total 7color),each color stay for 3-4 second, very beautiful.
good gift for children, christmas gift, halloween gift