Feature：  【Long standby time】Unlike other smart locks on the market, our smart lock has very low power consumption. After our test, four batteries can last up to about 15 months. So you don’t need to always pay attention to whether it has enough power 【Hidden keyhole and charging port】The smart lock still retains the most basic key unlocking function, so there is no need to worry about accidental power failure or other problems causing the smart lock to fail. If there is no electricity, you can provide power through the emergency charging port to start the smart lock. 【Diversified opening methods】The smart lock provides multiple unlocking methods.It supports password unlocking/fingerprint unlocking/IC card unlocking/key unlocking. 【Anti-pry & anti-electromagnetic interference】This fingerprint lock has a built-in protection shaft to prevent foreign objects from being inserted. It also contains anti-electromagnetic interference devices, which can prevent the interference of electromagnetic waves from causing system failures. Safety is always our first consideration. 【Anti-peep design】This smart lock uses a unique anti-peep design.Before and after you enter the correct password,you need to enter an additional irregular number combination to form a virtual password,so that you can prevent others from peeping.