Features: 1. This LED string is the ideal decor for Christmas, Halloween, New Year, Valentine's Day, parties, and weddings. It can be installed in Christmas tree, living room, bedroom, staircase corridor, courtyard, garden... To create a romantic festive atmosphere. 2. Use to decorate your bookcases, photo frames, doors, and windows, etc. 3. Waterproof, low energy consumption, green and non-polluting, both indoor and outdoor. 4. No fever, touch, safe and trustworthy, old people and children can be. 5. Wine Bottle Cork String Lights Indoor (Wine Bottle Not Included), Fits for wine bottles, glass bottles, soda bottles, beer bottles and many other kinds of Bottles. Specification: Emitting color: warm white/white/red/green/blue/purple/yellow/pink/RGB. Material: plastic & copper wire. String length:  1M / 2M Option. LED bulbs quantity: 20 bulbs. Power: 3*LR44 (include battery). Lumen: 10lm. Protection level: IP68 waterproof. Life expectancy: 50,000 (h). Weight: about 185g. Voltage: 3V. Occasion: Living Room. Model Number: Wine Bottle Fairy String Lights. Material: ABS. Light Source: LED Bulbs. Length: 200cm. LED bulbs: 10LED/20 LED. Head Number: 20-50 head. TIP: Products Include Battery Package includes: 10X Bottle Mini String Lighting(include battery)