Features: *Remote Control: APP remote control. Free your hands.  *Fingerprint Handle Door Lock: Embedded fingerprint reader, touch semiconductor fingerprint identification. Fingerprint unlock, make your life securer and easier.  *Automatically Lock: After opening the door for 4 seconds, lock automatically to prevent tailgating.  *Low Power Reminder: When the battery is low, it will alert and remind you to replace the battery.  *Long Battery Life: It can be used for 1 year normally, and it's easy to change batteries.  *Super Quality: Made of superior zinc alloy material, firm and stable.   Specifications: Identification Mode: Fingerprint, Card, App;  Unlocking speed with Fingerprint, Badge: 0.6 Seconds;  Fingerprint Sensor: 360° Live Capacitive Sensor;  Fingerprint Capacity: 50pcs, 100pcs (Fingerprint & Card total);  Compatible Smartphone: IOS and Android;  Material: Galvanized steel plain sheet, Zinc alloy, Aluminium alloy;  Finish: Stoving varnish;  Working Voltage: 3.3V 2*Alkaline AAA batteries(not included);  Battery Life: Up to 1 year (30000 times access);  Hardware Type: Latch;  Led Indicator Color: RGB color mode( RED, Green, Blue);  Door Thickness Compatibility: 1-5/16" to 2-3/16"(33mm-55mm);  Size: Front Handle: 152.5*60*74mm;  Back Handle: 152.5*60*75.5mm;  Item Weight: Front Handle: 348g;  Back Handle: 257g;  Door Prep: 2-1/8"(54mm) diameter face hole;  1"(25mm) diameter latch hole;  Backset: Adjustable to 2-3/8" or 2-3/4"(60mm or 70mm);  Battery Cover Material: PC+ABS fireproof material;   Package Information: Package Size: Approx. 27.5*12.5*7.2cm / 10.8 * 4.9 * 2.8in;  Package Weight: Approx. 1105g / 2.44lb;   Package List: 1 * Fingerprint Handle Lock (Indoor);  1 * Fingerprint Handle Lock (Outdoor);  1 * English User Manual;  1 * Screws Bag;  1 * Latch