Combining timeless design of a stylish ST19 decorative spotlight with smart lighting features, the Geeni LUX ST19 Smart Edison Bulbs are the combination of form and function. You can easily control these smart bulbs from across the room or across the country with your voice or the Geeni app (iOS, Android), so you~ll never get caught in the dark again Geeni smart light bulbs have Wi-Fi built right in so they are easy to set up and use. They require no hub, gateway, or additional hardware to install~simply download the app, twist in the bulbs, and connect! With the Geeni app, you can control your smart bulbs from anywhere, anytime. You can set a lighting schedule, change brightness and temperature and turn on/off with just a touch of a button. Plus, lights can be grouped by room or control individually so you can customize your lighting to fit your unique needs. In addition to the smartphone app, Geeni smart bulbs are also compatible with Amazon Alexa and Google Assistant so they can be controlled by voice. The Geeni LUX ST19 Smart Edison Bulb is only compatible with 2.4 GHz Wi-Fi networks. It is an energy-efficient lighting option at only 8-Watt, but still bright at 800 lumens~the equivalent of a 60-Watt incandescent bulb, yet uses less energy and endures for longer periods of time so you won~t have to deal with the hassle of replacing it for years to come. In fact, each bulb can last up to 25,000 hours, making it virtually maintenance-free.You can customize the dimming and temperature settings to find the perfect tone whether it~s warmer soft whites or refreshing cool whites. Geeni is the market leader of affordable and approachable smart home devices. Featured by Google, Microsoft, Amazon, CNET, The Wirecutter, The Verge, Time Magazine, TechCrunch, ZDNet, TechHive, and more, the Geeni brand is at the vanguard of technology and features, but user-friendly enough to incorporate smart home accessories into your everyday life.