3Rd Generation August Smart Lock In Silver. Secure keyless entry with your phone. August Smart Lock, 3rd Gen technology - Silver. Standards: Bluetooth Specification v4.0 (Bluetooth Smart). Product Features YOUR LOCK ON THE OUTSIDE, A SMART LOCK ON THE INSIDE: August smart locks replace the thumbturn on the inside of your door, making your regular deadbolt smarter, more secure and way more convenient. Keep the outside of your door the same, and your keys just in case (but you won?t need them). GET IN AND OUT WITH THE AUGUST APP: No pockets? No problem. Lock and unlock your door with the August app on your phone or Apple Watch, and leave your house keys behind. AUTO-LOCKS AND UNLOCKS: Auto-Unlocks as you get home for totally hands-free unlocking -- great for when your arms are carrying kids or groceries. With Auto-Lock and DoorSense, your home automatically secures once your door is closed, or after a set amount of time (optional feature). EASY TO INSTALL ON ANY DOOR: Even if you?re not so handy, installation only takes about 10 minutes. August locks fit perfectly on most single cylinder deadbolts. RENTER-FRIENDLY: Renting your place? Home improvement isn?t just for homeowners. Modernize your apartment?s lock and then take it with you when you move -- the old deadbolt thumbturn can be easily reinstalled. 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!