3 AG13 Button batteries included (replaceable) Toggle switch to control power, easy to operate LED bulb life of up to 100,000 hours Material: high quality acrylic plastic + electronic components Weight: 1 oz/pack Size: Base diameter: 1.5in; Dragonfly diameter: 3.3x3.5in Color box packaging/ pack You can put them anywhere you like, best romantic home bedroom festival party decorations,; Creative gifts for family and friends also Note: 1, It is a colorful night light which can change 7 different colors, it is relatively small volume, length and breadth are controlled between 5-10 cm, different styles in different sizes, usually with a palm just to catch. 2, the night light is powered by batteries, which continuous operating 5-10 hours. If it does not light, please replace the batteries. 3, Because batteries of the products work a short time, so if batteries are used power off, leading the product does not work, we will not accept return and refund requests. If the products has quality problems, please contact us within 5 hours when you receive the parcel. To give you a pleasant buying experience Make sure you accept the case before purchasing. Thanks for all your support! Package includes:10 x DE-Spark Acrylic LED Color Changing Night Lights Welcome to check Dreamseden DE-Spark 100s Home Decorative Lights with High Quality.