1、Using semiconductor cable sensor, easy and fast unlocking, semiconductor fingerprint recognition technology, more sensitive and safer. 2、Five ways to open the door: fingerprint, password, swiping card, Bluetooth APP, mechanical key. 3、Support for Amazon voice control (this feature requires customers to purchase a gateway to use it). 4、Virtual password designed, when using a password to unlock, you can add multiple wrong passwords before/after entering the correct password, and press # to confirm the lock. (The anti‑peep function can enter up to 16 digits.) 5、You can check the unlock record through the APP, and understand the use of the door lock in time. 6、Support intelligent voice navigation, human‑computer interaction, and humanized operation. 7、When you forget to replace the battery and cannot open the door, the USB emergency power supply can help you. 8、Prevent others from peeking at the password, self‑check at startup, intelligent identification, quick selection, such as fingerprint + password or credit card + password, etc. 9、The door lock module is waterproof, moisture‑proof and mildew‑proof. Through high and low temperature tests, it is resistant to vibration, aging, etc., and adapts to harsh environments.