Single Tongue Simple Smart Door Lock Support Smart Life/Tuya App Electronic Split Handle Fingerprint Lock Bluetooth App.    Features:  1.Keyless home entry: Control and monitor your door. Lock and unlock your door with Bluetooth/fingerprint/APP/NFC card, control keyless access and keep track of who comes and goes, all from your phone.  2.Unbeatable & Anti-Hack :we adopt the standard of 128 bit encryption to make sure the secure with door sense. we have just pass the AES(Advanced Encryption Standard);Will lock the door as soon as it's closed,To keep your home and office safer.  3.Great for rental hosts & homeowners, you can Create virtual keys to share with people you trust - set them as permanent keys or to a schedule,Lock/unlock, grant access to others and see who comes and goes from anywhere using smart door lock is a great solution for short-term rental hosts, rental property management, and self-housing resident.  4.Easy Installtion, suitable for 99% door,FIDO can fit 99% doors, very easy to replace old lock.  5.Long-term battery life: Battery powered by 2 AAA batteries and requires no hard wiring. Long-term battery life up to a Mixer normal working conditions.  6.Support App control,Search "Tuya" / "Smartlife" / "Yeeuu" in the IOS Store or Google Play.In the APP, you can manage the box,  open box / set fingeprint / set password / share key / check open record and so on.  7.Badge,use the included badge for an emergency.    Specification:  Product Name:Smart Door Lock;  Model number R1;  Style Modern simplicity;  Material Galvanized steel plain sheet,;  Zinc alloy,Aluminium alloy;  Finish  Stoving vanish;  Scan duration <1(s);  Recognition rate <1(%);  Rejection rate <1(%);  Operating temperature -20 to 65°C(-4°F to 149°F);  Operating humidity 20（%）;  Service life Up to 1 year(30000 times);  Unlock times 100000 times;  Door Thickness Thinkness Compatibility 1-5/16'' to 2-3/16''(33 mm - 56 mm);  Dimension Front Handle-152.5*60*74mm;  Back Handle-152.5*60*75.5mm;  Weight Front Handle 366g;  Back Handle 275g;  Identification Mode;    1.Fingerprint  2.Bluetooth  3.APP  4.NFC card    Unlocking speed with Fingerprint,Badge 0.6 seconds  Fingerprint Sensor  360° Live  Capacitive Sensor  Fingerprint Capacity  100(Include Fingerprints and Cards)  Compatible Smartphone iOS and Android Power supply 2 pieces AAA batteries Occasion Appartment Indoor Office App for management 1.Tuya Smart APP(iOS); 2.Smart Life APP(Android) Package Included: 1x Outside Lever;  1x Inside Lever;  1x Metal Plate;  1x Handle Latch;  1x Spindle;  1x Screw Bolts;  1x Mounting plate;  1x Screwdriver;  1x Screw A;  2x Screw B;  4x Screw C;  4x Screw D;