This is a string of decorative bulb lights. Each light has a classic bulb - shaped design, with a transparent glass body and a brown - colored top. The bulbs are connected by thin wires. There is a battery box at one end, which can hold batteries (batteries are installed as shown) to power the lights. It can be used for various decorative scenarios, such as adding a vintage or industrial - style ambiance to home decor, party decorations, and more.