The Fibaro Double Switch 2 Z-Wave Plus Smart Remote Relay For 2 Devices, Product Details The Double Switch 2 is designed to be installed in standard wall switch boxes or anywhere else where it is necessary to control two electric devices. It is designed to turn electrical devices on and off and to measure their power and energy consumption. The compact size of the device makes it the world's smallest of its type and allows for the product to be installed in wall switch boxes or housings. The Double Switch 2 can be controlled either via Z-Wave network or with a wall switch through a direct connection. To be installed in wall switch boxes or electrical outlets making your existing switch/outlet compatible with your Z-Wave network Works with various types of switches ? momentary, toggle Monitors your power and energy consumption (Home Center 2 or Home Center Lite may be required) Advanced microprocessor control Z-Wave Certified: Cert ID: ZC10-16095203/ Frequency Region: U. S. /Canada/Mexico, Z-Wave Library Version: 4. 55. 00 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.