About this item: Dimming and brightening features at your fingertips Use your smartphone to turn the lights low or brighten the room without having to adjust the dimmer switch. LED bulb technology Offers ample brightness (800 lumens) and brings out true, vibrant colors (CRI90). Saves 80% energy compared to incandescent lighting. Installs easily into your existing A19 light fittings Setup is as simple as screwing the bulbs into your fixture or lamp, flipping the switch and finding the bulbs on the app. Designed for DIY installation Easily replace an existing light switch. Lasts up to 25,000 hours For efficient use. No hub required Connect the Smart Wi-Fi LED to your 2.4 GHz Wi-Fi network with the Sengled Home app (iOS/Android) to get started. Event triggered actions support Sengled smart door sensor or motion sensor can trigger the Wi-Fi LED bulb with user setting. Voice control Connect your Smart LED Starter Kit to Alexa, Google Assistant and control your lights via voice commands. Flexible control Allows to create scenes, schedules, wake-up and sleep routines and widgets.