Aeotec Siren 6, Z-Wave Plus S2 Enabled Zwave Siren Safety Speaker,, 110Db. Product Details Siren 6 is your home?s smart indoor siren. Built with Z-Wave Plus S2 to be a smart home security siren, it features a 110dB speaker coupled with 1,000 lumens visual light alert strobe. Can be used as siren for security alarm, smoke sensor, and CO sensors via Z-Wave Pre-loaded 6 security sounds, 8 safety sounds, and 30 tones in total. Each tone is volume adjustable between 80dB and 110dB hour backup battery lets Siren 6 work even when power is turned off Can also be used as doorbell by pairing with Aeotec Button. Can use up to 3 Buttons, each sold separately Compatible with certified Z-Wave gateways including: Samsung SmartThings, HomeSeer, Open Z-Wave, Zipabox and more(Not compatible with Vera). Z-Wave Plus and Z-Wave S2 certified for quicker response time, better wireless range up to 490 feet in open space, and additional wireless security encryption. Z-Wave Plus certification number: ZC10-19046417. 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.