Aeotec Siren 6, Z-Wave Plus S2 Compatible Zwave Siren Safety Speaker,, 110 Db. Product Features 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. 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!