Smart Switch By Martinjerry | Works With Alexa, Smart Home Devices Works, 4 Pack Product Features NEUTRAL WIRE IS NEEDED - This smart switch requires Neutral Wire to provide power for itself. Please make sure that you can provide a neutral wire for it. This switch is single pole only (NOT 3-way) Alexa Compatible Google Home - Smart Switches are Compatible with Alexa and Google Home, Smart your Home via Voice Control WiFi SMART SWITCH - ONLY Works with 2.4GHz Wi-Fi, NOT Compatible with 5GHz, Smart Home Devices, Android and iOS App Control it Anywhere and Anytime TIMING - Schedule the Smart Switch Automatically Turn on / off your Light, Air-conditioner, Water Heater and etc WARRANTY - 90 days Unconditional Full Refund Guarantee and 1 YEAR Quality Warranty 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!