The Pullie Light Bulb iJoy creates a relaxing mood in any room. The light is safe to use and to cool to the touch. The light bulb and adhesive base are made of sturdy, lightweight plastic. Great for closets, storage spaces, garages, above your desk or in your craft space. The bulb can adjust up and down for perfect lighting. To use, simply pull on the light to turn it on and pull it again to turn it off. Requires 3 AAA batteries (not included). This must-have lighting essential comes packaged inside high-quality hanging box. use, simply pull on the light to turn it on and pull it again to turn it off. This mini light measures approximately 2.25" x 2.75" base with a 3" x 1.75". Requires 3 AAA batteries (not included). This must-have lighting essential comes packaged inside high-quality hanging box.