This light does exactly what it says on the box & is literally a colour changing bulb...on a rope! The bulb is actually a battery powered super bright colour changing LED lamp, & can be hung virtually anywhere to create stunning mood lighting. Use the Bulb on a Rope when camping, to add a glow as a the sun sets in the garden or even to create an easily installed light effect in your home. Create a stylish display by grouping together several of the bulbs in one area. Battery operated colour changing LED light bulb Hang virtually anywhere! Suitable for indoor & outdoor use Easy on! Pull the rope to turn on/off Requires 3 x AAA batteries (not included)