Remote Control: Enhance your smart home with WiFi light bulbs, controlled remotely wherever you are. Set timers and light schedules, automating your smart lights to make it seem like someone is home, even when you are away. You can also create a group for all of your alexa light bulbs, and easily group control your smart light bulbs with Alexa devices or Google Assistant players.  
 Schedule Feature: Easily setup via using Sengled Home App (iOS and Android), turn smart light bulb on/off, dim smart bulb to the desired brightness and set up schedules from anywhere. Program timers and routines to automate your entire smart home lighting setup. Control your smart light bulbs while away from home. Dimensions: 2.42 in (diameter), 4.41 in (height)  
 Wake Up & Sleep Mode: Easily setup via using Sengled Home App (iOS and Android). Schedule your smart lights to slowly light up. Starting at the set time, the smart bulbs will slowly brighten throughout the timespan you set. Your lights will slowly get brighter in the morning. And you can also schedule your lights to simulate a sunset so that you can fall asleep more naturally every evening. Your bulbs will slowly dim over the timespan you set.  
 No Hub Required: Connect to your home's secure 2.4GHz WiFi network directly (not support 5GHz); No need for a smart hub or extra equipment. All you need is your smartphone, the Sengled Home App and a 2.4GHz WiFi router to start controlling your smart lights from anywhere. Live customer service based in the U.S.  
 Note: Dimmers reduce the supply of electricity to the bulb, which will negatively impact performance and cause damage to the bulbs. Beam angle 240º