The High Strength Zinc Alloy Panels Automatic Smart Door Lock is an excellent choice for enhancing security in homes or offices. Its environmentally friendly 7.4v lithium battery is long-lasting and rechargeable. The lock features an automatic retraction and ejection latch and a secure encryption chip that prevents jamming. The lock can be unlocked in five different ways: biometric fingerprint, password, emergency key, IC card, or Tuya App. Additionally, the lock comes with a high-definition camera display screen and doorbell, making it an ideal option for homes, offices, or businesses.