Sengled Smart Light Bulbs, Zigbee Hub Required, Works With Alexa And, Pack Sengled Smart Light Bulbs That Work with Alexa, Google Home, Zigbee Compatible, SmartThings Light Bulb with remote control, Smart Hub Required,4 Pack Specifications: Easy to set up for Sengled smart light bulb: Product Features Hub Required(Sold Separately): Sengled smart light bulbs are compatible with Amazon Echo built-in hub, SmartThings, Wink, Hubitat or Sengled Hub. Sengled smart hub needs to be connected to your home router with an Ethernet cable. More Stable Connection: This Sengled smart led light bulb just supports Zigbee protocol. Connect to the internet via Ethernet cable, compatible with 2.4 or 5 GHz routers, provide a more stable connection. Suitable for most smart devices with the built-in Hub(Zigbee protocol). Voice Group Control: This Sengled smart bulb can be controlled by voice with Alexa, Echo, Google Home Assistant, which helps you to control this soft white bulb hand-free to turn on/off or dim/brighten your light. Even adds up to 64 smart bulbs to the Smart Hub system. Dimmable Remote Control: Anywhere, you can schedule this dimmable led bulb to switch on/off or the brightness from 1% to 100%. You can also set a countdown timer, like setting lights to come on at dusk or turn off at sunrise. Energy Saving and Easy to Install: This Sengled led light bulb 60-watt equivalent can save up to 80% energy. Perfect for home indoor lighting, hotel, meeting room, museum, restaurants, bar, cafe, holiday decoration, birthday party. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!