Sengled Alexa Light Bulb, Zigbee Bulb Smart Hub Required, Works With Alexa, 4Pk Product Details Do more with your lighting. Transform your space with a single tap in the app or a simple voice command. Sengled Smart LEDs fit seamlessly into your existing smart home. Compatible with Alexa, Google Assistant, and SmartThings, it's simple to add smart lighting in any room. Create scenes, set schedules, dim or brighten, and more with the Sengled Home app (iOS/Android). With over 16 million colors and tunable whites to pick from, your lights can set the mood for everything from cozy movie nights to party vibes. 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: Even you are not home, you can schedule this dimmable led bulb to switch on/off or the brightness from 1% to 100% by using our Sengled Smart Home APP. 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. Adapted to any standard E26 light socket. Perfect for home indoor lighting, hotel, meeting room, museum, restaurants, bar, cafe, holiday decoration, birthday party Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.