NO HUB REQUIRED: If you have WIFI, you can now control your lighting with your smartphone. Add this smart B22 LED bulb to the free Trust WIFI app and use your phone/tablet as a remote control. PERFECT AMBIANCE: With this tunable LED bulb you can easily create the right setting to fit your mood. Select warm light for a relaxing atmosphere or cool white light for those moments that require optimal concentration (1800K-6500K). SMART SCENARIOS: Switch your bulbs at fixed times or several lights at the same time. With "smart scenarios" you can create scenes and automate your lighting as desired using timers and conditions. EASY VOICE CONTROL: No need to search for your phone to change the lighting, with the voice control option Alexa or Google Home will create the perfect lighting every time. EXPAND WITH PLUGS: Why stop at lighting? With the Trust WIFI plug you can operate any corded device with your smartphone. Set up the smart scenario’s and you will be saving energy in no time.