Twinkly Strings – App-Controlled LED Christmas Lights with 250 AWW (Amber, Warm White, Cool White) LEDs. Indoor and Outdoor Smart Lighting Decoration. Experience versatile lighting that allows you to match the tones of white light in your home, thanks to smart LED lights Twinkly Strings. Whether you want warm lighting for relaxation, the right task lighting for working or studying, or the perfect sparkling lights for your Christmas and holiday decorations, Strings gives you endless options. Available in multiple lengths and with various numbers of bulbs, these premium, app-controlled, addressable LEDs were designed for extraordinary brightness in a full range of white light from warm white to cool white and all shades, hues, and tones in between. Perfect for indoor and outdoor use.