The Westinghouse LED Cafe String Light with Bluetooth® control offers many decorative possibilities to brighten your outdoor living space. Download the Westinghouse Smart Landscape app for free from your mobile device to operate your lights. Select colors for any season or event with the touch of a button. Create a lively atmosphere, or select classic white light. With the dimmer control you can increase or reduce the brightness for the perfect ambience. The preset light scenes are sure to add a fun touch to any occasion. The 20 foot string light includes 10-durable acrylic bulbs and features safe, low voltage power with a 15 watt transformer. Connect up to 3 string lights for 60 feet of vibrant color.