"Twinkly is the revolutionary LED Light String bringing the most advanced technology to your indoor and outdoor Christmas decorations, IP44-certified. Twinkly combines 600 bright, colorful RGB LEDs, a Wi-Fi/Bluetooth controller and a smartphone application. Twinkly features smart home integration with Google Assistant and Amazon Alexa. Twinkly devices can be synchronized together up to 4, 000 LEDs or 10 devices (in good Wi-Fi coverage). "