Built-in LED light, no need for batteries and external power supply, it will light up when the water flows down. Color varies with water temperature.It changes color as the water temperature changes, freely transitioning to blue when the water temperature is below or equal to 32 degrees. It shows red at 41-45 degrees. When it exceeds 45 degrees, the red light flashes to remind. Be careful to avoid burnsLED faucet with converter.The converter can make the product suitable for various faucet interfaces. Made of ABS material with excellent corrosion resistance.Transform the water flow into a beautiful waterfall of light. Provide you with a pleasant, wonderful and romantic experience. Perfect for a bathroom or kitchen, it's great.Delivery Quantity: 1 PieceSize: suitable for M24*1mm (G3/4) interfaceColor: silverKind tips:1. Package content: only the above package content, excluding other products.2. The size is measured by hand, please allow 1-2 cm measurement error.3. Due to different displays and lighting effects, the actual color of the item may be slightly different from the color shown in the picture.