Millions of Colors & Tunable White Smart Lighting Millions of Colors & Tunable White: The Third Reality smart RGB bulb delivers a full range of vibrant colors with adjustable brightness. You can switch between warm 2700K and cool 6500K to set the perfect mood, and fine-tune brightness from 1% to 100% for any environment. Flexible RGB Smart Lighting with Zigbee Control & OTA Updates With millions of RGB colors and adjustable white light from 2700K to 6500K, the Smart Color Bulb ZL4 delivers flexible lighting for any mood. It offers smooth dimming from 1% to 100% with up to 810 lumens and can be controlled via app, schedules, automations, or voice assistants. Built on Zigbee for energy efficiency, it also supports OTA updates and features a standard E27 socket for easy installation. Zigbee 3.0 Smart Bulb with Mesh Repeater Function The THIRDREALITY Smart Color Bulb ZL4 (E27) is a Zigbee 3.0 smart LED bulb that works with platforms like Home Assistant, SmartThings, Hubitat, Homey, Aeotec, and Echo devices with Zigbee hubs. It also acts as a Zigbee repeater, improving network range and stability across your home. Smart Control & Seamless Voice Automation Smart Control & Seamless Automation: Effortlessly manage your smart color bulb anytime, anywhere, with no limits on time or distance. When connected to compatible Amazon Alexa Echo devices or Zigbee hubs that work with Alexa or Google Home, you can go hands-free with voice control, adjust lighting easily, set schedules, and create automation routines to make your home truly smart and intelligent. Smart Assistant Integration & OTA Firmware Updates With the Smart Bridge MZ1 (sold separately), this device works seamlessly with Apple Home, Google Home, Amazon Alexa (smart speaker required), and SmartThings. You can control lighting with voice commands, set schedules, and create automation routines through an app. It also supports OTA (Over-The-Air) updates for easy and hassle-free firmware upgrades.