General description The Link2Home Wi-Fi LED GLS Filament Dimmable 4.5W bulb combines vintage aesthetics with modern smart features. It emits a warm to cool white light, adjustable across a spectrum from 1,800K to 2,700K, and can be dimmed to create the perfect ambiance. With a brightness of 470 lumens, it is equivalent to a traditional 50W incandescent bulb and has an average lifespan of 20,000 hours. Technical specifications Fitting: B22 (Bayonet Cap) Input Power: 4.5W (equivalent to 50W) Light Output: 470 lumens Color Temperature: 1,800K to 2,700K (warm to cool white) Dimmable: Yes Beam Angle: 200° Rated Life: 20,000 hours Compatibility and accessories Compatible with Wi-Fi networks Requires a mobile device or tablet with iOS 8 or later, or Android 4.1 or later Requires a free Link2Home Pro account for app control Installation Fits into standard B22 (Bayonet Cap) sockets Easy to install by screwing into compatible fixtures Usage Control the light via the Link2Home Pro app or voice