【Wine Bottle Lights 10 Pack】: 1M extra-thin string with high-quality ultra-bright micro-LEDs 10 pieces. Cork-based design is easy to slip into bottles. 【Easily usable by batteries】: 3 LR44 batteries included, 48 hours of autonomy. Each cork with an on / off switch, just control the fairy lights and DIY. Comes with a small screwdriver to help easily replace the batteries. 【Low-voltage and waterproof wire】 Low-voltage, heat-insulated copper wire prevents overheating after use, safe to touch. The wires and LEDs are waterproof, so it is possible to decorate wine bottles. (The battery case is not waterproof). 【Energy saving and environmentally co.ukiendly】 Wine bottle lights made of high quality material, flexible and easy to store, cork garlands have high brightness, low radiation and no pollution. Surprised that extends battery life to 72 hours under continuous lighting. 【Widely Used】: Flexible and ultra-thin but sturdy, wine bottle cork lights can be easily folded, 360 degree twinkle