Price: (as of – Details) From the brand 【3-in-1 Smart Access】Our Smart Door Knob provides fingerprint recognition (0.5s fast unlock), encrypted app control via WiFi/Bluetooth, and a hidden mechanical keyhole – triple security layers adapt to your lifestyle while maintaining 24/7 home protection.【Stylish and Durable Construction】This smart door handle features a 500-pound impact-resistant stainless steel… Continue reading Smart Door Knob, Fingerprint Door Lock Smart Lock Biometric