Feature: 1. Superb LEDs, flicker-free and anti-glare light without strobes and radiation. 2. Wide input voltage of AC100-240V for different area. 3. With 16 million stepless dimming lighting color, you can customize the lighting colors of your lamps. 4. It supports the voice control function, much easier and more convenient to turn on/off. 5. Supported WI-FI connection technology, you can download the app and connect according to the instruction. 6. Universal bulb base, compatible fits with your home. 7. Can be used in chandelier, table lamp, ceiling light, corridor light, floor lamp, wall lamps, etc Specification: By having this intelligent bulb lamp, you can control your home lighting anytime, anywhere, especially when you go out for a long time. Features: Superb LEDs, flicker-free and anti-glare light without strobes and radiation. Wide input voltage of AC100-240V for different area. With 16 million stepless dimming lighting color, you can customize the lighting colors of your lamps. It supports the voice control function, much easier and more convenient to turn on/off. Supported WI-FI connection technology, you can download the app and connect according to the instruction. Universal bulb base, compatible fits with your home. Can be used in chandelier, table lamp, ceiling light, corridor light, floor lamp, wall lamps, etc. Compatible with Alexa/Echo/ Home and IFTTT. Specifications: Material: PC & aluminum Bulb color: white Quantity: 4pack Bulb model: C37 Bulb base: E14 Input: AC100-240V, 50/60Hz Wattage: 5W Light source: 16pcs LEDs Light color: RGB & white & warm white Luminous flux: 450lm Lighting angle: 270° Color rendering index: Ra80 Wi-Fi: 2.4 GHz IEEE 802.11b/g/n Lifespan: 30000h Bulb weight: 112g / 3.95ounce Bulb size: 37 * 108mm / 1.46 * 4.25in Package weight: 150g / 5.29ounce Package size: 100 * 100 * 130mm / 3.94 * 3.94 * 5.12in Note: Please download APP from the user manual and connect according to the instructions. Packing List: 4 * Bulbs 1 * User Manual Package List: 4 * Bulbs 1 * User Manual