Never worry about forgetting your keys, losing them, or being locked out again. Unlock with your fingerprint, password, or mobile phone, making leaving the house effortless. Suitable for various occasions: Built-in sensor auto-locks door when closed, ideal for home, company, hotel, and vacation rental security. Supports digital password, smartphone app, biometric fingerprint, mechanical key, and IC card for versatile access. Indoor HD display with camera: Features a built-in high-definition wide-angle camera; pressing the doorbell activates the camera screen for clear viewing. Offers Wi-Fi connectivity for remote control via app, allowing management from anywhere for convenience during outings. Rechargeable lithium battery: Includes a 4200mAh battery with emergency charging port and low-battery alarm to prevent lockouts due to power failure., Manufacturer: YBNKKUXKN