Anti-peep Keypad Adding numbers at front or back of real passwords can unlock it You can customize 150 passwords Enter the password and press "#" to unlock the smart handle. IC Card Unlocking Two IC card is included in the package You can add up to 200 IC cards IC card can be added in APP IC card has hanging rope Fingerprint Unlocking Store 200 fingerprints Your finger is your key Less than 0.3 seconds to identify unlock The remaining power of the smart door lock can be viewed in the app Spare Key Unlocking Two spare mechanical keys Emergency USB power socket, emergency can use mobile power to open the door. A hidden keyhole in the keyless entry door lock with handle Read more Package includes Smart lock × 1(Inside and outside) IC card × 2 Mechanical key × 2 Locking tongue × 2 Voice control After installing the gateway in the package, use the mobile app: Mobile app to add the gateway and pair it with your Alexa. You can use Alexa to control the door locks with keypads status at home. When you forget whether your fingerprint door lock is locked or not, you can ask Alexa to unlock / lock it. Channel mode Open the "passage mode" in mobile APP: Mobile app to keep the smart door lock unblocked. Management authority You can add multiple personnel to manage the keypad door lock with handle, and you can also view the personnel information of entry door lock. Including who, when and how to unlock. It is very suitable for managers of small motels, companies and holiday rentals. Press the key to set the mute In Mobile app setting interface, find the place to manage lock sound, close the button, and the lock key sound will be closed. Read more Material Of Lock Body Panel aluminum alloy / Handle zinc alloy Bluetooth Standard Bluetooth 4.1 Fingerprint Storage Quantity 200 fingerprints Password Storage Quantity Custom password 150, APP send password unlimited Power Supply Mode 4pcs AA batteries (not included) Low Power Alarm After unlocking, the red light flashes for 10 seconds to indicate that the current is low, and the maximum number of unlocking is 50. Work Environment Temperature -4°F - 149°F (-20℃- 65℃) Working current Less than 200mA Door Thickness 1.37" - 2.44" (35 mm - 62 mm) Door Hole Backset 2.36" - 2.75" (60 mm - 70 mm) Bore Hole Diameter 2.12" (54 mm) Alexa Control Door Lock Fingerprint Lock Black Fingerprint Lock Silver Opposite Lock Silver Keypad Lock Right Password ✓ ✓ ✓ ✓ ✓ Mechanical Key ✓ ✓ ✓ ✓ ✓ Smartphone App ✓ ✓ ✓ ✓ Fingerprint ✓ ✓ ✓ ✓ IC Card ✓ ✓ ✓ ✓ Auto Lock ✓ ✓ ✓ ✓ ✓ Low Battery Alarm ✓ ✓ ✓ ✓ ✓ MicroUSB For Emergency Power ✓ ✓ ✓ ✓ Adjust Button Sound ✓ ✓ ✓ ✓ Reversible Door Handle ✓ ✓ ✓