Smart Lock Without Holes Contains 3 Key Rings and 1 Card Invisible Lock RFID Electronic Opening for Sauna Libraries Factories and Offices

Smart Lock The automatic rebound function of cabinet lock anti-crush case and self-locking case provides good security protection for your belongings while protecting your own data. HOLELESS MOUNTING - Our smart locks are installed without opening holes. No need to drill holes in the door it is simple and convenient and can also be installed by people with little effort. Our cabinet lock and hose clamp are made of metal which protects your important items well. 2 x AA batteries are required for operation. Batteries not included Electronic cabinet locks are made of environmentally friendly ABS plastic. 2 x AA batteries are required to work for one year batteries not included. If the battery is too low the lock opens automatically and the battery needs to be replaced. Wide Applications This electronic padlock is used for residential or commercial cabinets drawers lockers storage boxes etc. supermarkets sauna clubs gyms swimming pools libraries factories and offices.