The Ultimate Innovations Tabletop Glass Birds will sit quietly on a table, desk, windowsill, or shelf adding beautiful color and elegance during the day. But at night, they have a secret! They light! When aglow, these delightful little creatures will emit a soft, luminescent light. Battery operated, the birds also feature a timer for 6 hours on / 18 hours off. These birds will definitely add life, and light to your home! Battery Operated. Measures: 5.91″X5.51″X7″. Made of glass.