Features: The functions of the management card include opening the door, configuring the opening card and deleting the opening card. The use of four management: master card, master control card, the waiter card, guest card. The attendant card: door locks open set within the service area. Be used in two modes: the set of locks, the user can choose the waiter card and individually lock or attendant card of the guest card and guest card combination lock. Suitable for sauna center, leisure villa, entertainment center, school, dormitory, laboratory, etc. It protects the safety of your property. Specifications: Condition: Brand New Size: Shown as Picture Optional Color: Golden, Silver Material: Zinc Alloy Optional Type: W-shaped Induction Lock, Silicone Induction lock, Button Induction lock Package List: 1 * Induction Head 1 * Lock Body 1 * Lock 1 * Screw Package 1 * W-shaped Bracelet Card 1 * Silicone Wristband Card 1 * Button Card 1 * Emergency USB 1、The functions of the management card include opening the door, configuring the opening card and deleting the opening card. 2、The use of four management: master card, master control card, the waiter card, guest card. 3、The attendant card: door locks open set within the service area. 4、Be used in two modes: the set of locks, the user can choose the waiter card and individually lock or attendant card of the guest card and guest card combination lock. 5、Suitable for sauna center, leisure villa, entertainment center, school, dormitory, laboratory, etc.