Get Started in Seconds: Ultra simple Plug-n-Play setup. Simply twist in the Sengled smart light bulbs and start enjoying with Alexa smart devices in seconds. Compatible Amazon Alexa devices include: Echo, Echo Dot, Echo Plus, Echo Show and more. (Excluding Echo 1st Gen and Echo Dot 1st Gen) . A struggle-free, tinker-free, and stress-free experience with smart lighting control. Remote Control with Alexa App: Turn the E27 smart bulb on/off, dim, brighten, set up routines, schedules and more using the Amazon Alexa App. Soft white LED 60W equivalent lighting to bring out vibrant light with CRI 80 rating — perfect for dining rooms, bedrooms or anywhere warm light is desired. Voice Control with Alexa: Use hands-free Voice Control to turn on, off, or adjust brightness of the alexa light bulbs. You can also use voice via smart home devices to use advanced features like wake-up routine or away mode. Whole Home Smart Lighting: Bluetooth Low Energy (BLE) Mesh 5.0 wireless technology allows for a farther reach, enabling whole-home installations. Each A60 smart bulb serves as a signal repeater, so that even if a bluetooth light bulb is out of reach from the Alexa Echo device, it can still be controlled using the Mesh network. High Energy Efficiency & Guaranteed Quality: Class A+. Sengled offers ample brightness (806 lumens) and brings out true, vibrant colours. Designed to provide longer, more energy-efficient illumination. Sengled smart LED bulbs replacing a 60W incandescent bulb with 8.8W LED can save up to 80% energy and reduce our electricity bill. 2-year warranty.