Application Control: The intelligent electronic password lock supports IOS and Android devices You can view unlock records, set door lock volume, and also set temporary passwords and send them to friends, visitors, or butlers for use. The door lock requires 4 No. 7 batteries (not included), and the battery life can reach 10 to 12 months depending on the frequency of use. It has a low battery reminder function and is equipped with a USB port for emergency use (note: this port is not rechargeable)
Regarding batteries: Our product does not include batteries and you need to purchase them yourself. The smart lock must use alkaline dry batteries (LR3/LR03) and cannot use carbon batteries. The use of carbon batteries can cause unstable internal voltage in smart locks, which can easily lead to malfunctions. Please pay special attention when purchasing batteries
Easy to install: Adjustable lock buckle 2-3/8 inches (60mm) to 2-1/8 inches (70mm). The thickness range of the door is 1-3/8 inches to 2-1/8 inches (35mm-54mm). The installation can be completed in about 15 minutes, with simple operation and no need to connect any wires. The left and right door handles can be adjusted to make them an ideal combination for each door


