Smart Electronic Lock ID Card Induction AntiTheft Lock For Sauna Bathroom W

Feature: \n 1. It adopts four\u2011level management, which can be equipped with 3 master cards, 1 management card, 20 waiter cards and 1 guest card.\n2. With a small lock anti\u2011pry alarm function, high safety. Low voltage alarm prompt, reliable use. Long standby time is up to 1 year.\n3. The first card is the management card. The management card has the function of setting and deleting. The management card can be unlocked directly. (The management card has been set up at the factory).\n4. Single card to open the door: use the management card to sense once, and the guest card will be sensed when the blue light flashes. After the flashing stops, the guest card can open the door (Note: If the management card is set with a guest card, the new guest card can open the door, and the previous card automatically cancels the door opening function.)\n5. Dual card to open the door: use the management card to sense twice, and the waiter card will be sensed when the blue light flashes. After :