Smart Fingerprint Handle Lock Fingerprint handle door lock: Embedded fingerprint reader, touch semiconductor fingerprint recognition. Fingerprint unlocking makes your life safer and easier. USB charging hole: intelligent charging, simple and convenient. Charging can be done with just a normal USB cable (the charging port is at the end of the handle) Always On/Off: Always On and Always Off modes can be changed by yourself Always on: Any fingerprint can open the door. Build your free style EASY TO INSTALL: It fits most doors that use a lever door lock, no wiring required, you can install it yourself Invisible keyhole: mechanical key, keep the traditional way of unlocking Free installation direction: free handle is suitable for left and right door opening Low battery reminder: when the battery is low, it will remind you to replace the battery Long battery life: 1 year of normal use, easy to replace the battery Super quality: Made of high quality zinc alloy material, strong and stable Product name: Fingerprint handle lock Unlock method: fingerprint Fingerprint capacity: 20 groups Power: 4" AAA batteries (not included) Standby time: 365 days Emergency power supply: USB charging (Micro-USB cable not included) Unlock method: fingerprint, key Unlocking speed: 0.5s Finger angle: 360° Material: zinc alloy + stainless steel Item size: about 160*65*27mm Packaging Information: Packing size: about 26*20*8cm/10*7.9*3.1in Package Weight: Approx. 1012 g / 2.23 lbs Package include: 1 * Fingerprint Handle Lock