•Power Supply: 6.8V-8.4V lithium battery (Included in package);
•Convenient APP management system, you can manage your smart lock anytime and anywhere;
•Emergency Power Supply:with micro USB interface to supply power if the batteries run out;
•Fingerprint recognition:Semiconductor fingerprint recognition module, suitable for elderly and child;
•Application environment:wooden door/metal door/household door
Please note that the stated price is the cost of the door lock alone without installation cost.