SOLAR POWERED WINE BOTTLES (WINE BOTTLE NOT INCLUDED): Suitable for wine bottles, glass bottles, soda bottles, beer bottles and many other types of BOTTLES, the cork bottom: 45mm in diameter. 20 individual micro LEDs 2m long. Safe for indoor or outdoor use. ENVIRONMENTAL PROTECTION AND ENERGY SAVING: No battery required. A solar panel on top, 100% Solar Powered. Best choice for environmentalists, usually charge in the sun 6-8h will light up 10-12h, slide the switch to "ON" position, long lasting LED bulbs, low heat, safe to handle even after a extended use.FLEXIBLE Copper wire easily bent into any shape you desire: warm white. Steady lighting. You can make full use of your empty bottles to DIY the beautiful garden decor, deck decor, patio decor, fence decor, outdoor Christmas decor, Halloween decor, etc. if you want water in the bottle or if you expose the bottle lights to rain or snow. (Cork is not waterproof). PRACTICAL: THERE IS NO COMPLEX ADJUSTMENT. One button to turn on/off. Absolute high quality which provides enough brightness and long service life. A built-in light sensor ensures it turns on at dusk and automatically turns off at dawn. 100% QUALITY - Rest assured that you have made the right purchase. We are pretty confident about the quality of our solar wine bottle lights.