Smart door locks and alarms enhance security with keyless entry, remote access, and real-time alerts. Featuring biometric fingerprint scanning, PIN codes, and smartphone app integration, these smart locks provide convenient and secure access control. Smart alarms detect unauthorized entry, motion, and environmental hazards, sending instant notifications to your phone. Leading brands like August, Yale, Schlage, and Nest offer Wi-Fi and Bluetooth-enabled locks that integrate with Alexa, Google Assistant, and Apple HomeKit. With AI-powered automation and encryption technology, smart door locks and alarms ensure better protection for homes and businesses.