https://www.ebay.com/itm/3867344131...customid=402fe86ef49311f081c30e18611eb8840INT eufy Security Smart Lock C30 Keyless Entry Door Lock Deadbolt Auto-Lock (Certified - Refurbished) on sale for $47.49 - 20% with coupon code FAVEFINDS20 at checkout = $37.99. Shipping is free.