Lepro Gu10 Smart Led Light Bulbs, 2.4G Wifi Only, 50W Halogen, No Hub Required. Product Details Comfortable Lighting - Dim or brighten to your ideal illumination via the free ?Lepro LampUX? app. Note: Do not use with dimmers. Tunable White Light from Soft to Daylight - No more wrong color. You can choose any shade of white light from warm to cool (2700-6500K), and set all of your smart bulbs in track lighting fixture to be the same light color temperature. Go Hands Free with Voice Control - Seamlessly compatible with Amazon Echo, Dot, Google Home Mini, etc. Set Timers and Schedules - Turn on/off the lights or trigger a programed scene automatically at your preset time. Easy Setup APP Smart Control - No hub or additional hardware is needed. Simply download the free app, connect to your Wi-Fi (2.4GHz only), and then you can control your lights anywhere and anytime. 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.