The TV Backlight 3 Lite by Govee is designed for 40-50 inch TVs and features 72 multicolor LED light sources with RGBICW technology. It offers app control, Amazon Alexa compatibility, and voice control for easy customization. The fish-eye correction function ensures a seamless lighting experience for a modern and vibrant ambiance while watching movies or celebrating occasions like Christmas and Halloween. With a power source of corded electric and connectivity options via Bluetooth and Wi-Fi, this 7.8ft TV backlight enhances the viewing experience with its sleek design and innovative control methods.