The Eufy Security Smart Lock Wi-Fi Replacement Deadbolt has multiple ways to unlock. The Eufy Security Smart Lock Wi-Fi Replacement Deadbolt has multiple ways to unlock. FEATURES Open Smart Lock using your fingerprint, with your phone via the eufy Security app, or by using the keypad or key. Smart Lock fingerprint door lock recognizes your fingerprint in just 0.3 seconds, and unlocks your door in 1 second—it's faster than fumbling for your keys. With its all-new Wi-Fi connectivity, you can…