Xmas Illumination Lights 50-bulb chasing lights for indoor use. AC power supply. - Product Name: NEW CHASING LIGHTS 50 - Intended Use: Indoor - Number of Lights: 50 bulbs - 8 different illumination patterns can be selected with the controller ☆ - Country of Manufacture: Taiwan - Power Supply: AC power Operation confirmed, one bulb is not flashing, and there are 3 spare bulbs that can be replaced. My child has grown up, and we no longer put up and decorate a tree, so I would like to offer it to someone who can use it. There is a feeling of use, but it still flashes beautifully ☆ Since it is a used item, please understand and consider purchasing.