Smart Fingerprint Door Lock - Keyless Entry with Biometric & Bluetooth APP, Auto Lock & Low Battery Alarm - Secure Home, Office, Hotel & Rental Properties | Ideal for Modern Smart Homes & Commercial Spaces

Product Description 1.Recognize your fingerprint in just 0.3 seconds. It's quicker than fumbling for the keys, your finger is the key. 2.Just use the power bank from the outside to unlock the lock in an emergency when the smart lock battery runs out. 3.Smart Door Lock will automatically lock once your door is closed or after a set time. Smarter and safer. Specification Working voltage: DC3.5~4.2V Operating temperature: -25°C to +65°C Fingerprint capacity: 40 pieces, recorded 5 times Password capacity: 6-8 digits, 240 groups Virtual password: 32 bits Bluetooth APP: Support Bluetooth Applicable door thickness: 30-65mm Package includes: 1*Smart Door Lock

▶Versatile 3-in-1 lock APP unlock, fingerprint unlock, mechanical backup key. Press fingerprint to unlock in one step. Fits perfectly with most standard residential and office doors

▶Smart APP Control Check the switch status and lock operation records on your phone at any time, 200 fingerprint memory and convenient APP, authorize the lock for your family, friends, is a very good idea, suitable for your home and office

▶Energy Saving Long Standby 4*AAA batteries （does not include ）support unlocking about 6000 times (up to 10-12 months) with low power consumption. Automatic low battery alarm.

▶Easy To Install Fits most standard doors and is suitable for both left and right handed users. Door Thickness Range 1.38" to 2" thick. Backset Adjustable 2.38" (60 mm) or 2.75" (70 mm). Only need a screwdriver to easily complete the installation. Easy to replace existing latch

▶Fast Fingerprint Response Your finger is your key. Security Smart Door Lock recognizes your fingerprint in just 0.1 seconds and unlocks your door in 0.5 seconds. You'll never have to search for your keys again