The Cmars Smart Plug, Zigbee Switch Mini Smart Outlet, Which Is Required For Product Features ?Why Zigbee?: Have a bunch of devices on your Wifi network?Overcrowded home Wifi network, internet becomging less stable?No worries! Hub + Zigbee, Very responsive, fast switching, more stable and Truly Plug and Play. ?Easy To Install and Wide Compatible: ZigBee smart plugs that work with alexa, , ST, Echo Studio, Echo Plus 2, Echo Show 2 and other Hub ZigBee 3.0. (Hub Required). No third party app required. NOTES: Does not work with ST(1st). ?High Quality?Our zigbee smart outlet block use PC fireproof material, double insulation, 750 ? thermo-resistant and flame retardant. Double security protection, leakage protection,high network security. ?Smart Control: Alexa smart plug works with Amazon Alexa and Google home devices for complete voice control, remote control and Intelligent timing. ?What You Get: 2 x ZigBee Mini outlet, 1 x User Manual.Support worry-free warranty, 30 days free return, 12 months replacement/refund for manufacturer defective items. easy-to-reach customer service within 24 hours, plus lifetime technical support. 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!