Main Technical Features It adopts the patented technology of TEMIC? from Germany. It has advanced high performance and dependability. It adopts advanced contactless (wireless radio frequency) smart card and there is no groove on the surface of the lock. When the card is in the distance of 1-3 cm, the lock will be opened. 32 digits highly secure safekeeping password guarantees the high security of the lock system. The key card management system of 32-level random grouping, each card can manage 3-6 groups of locks simultaneously. The patented induction test technology of Easthouse Electrical realizes the super low power consumption for the lock. When the lock is in the stand by position, the power consumption is less than 20mA. Four alkaline batteries of size AA can work for more than one year. The industry-level clock module. The independent lithium battery provides stable and accurate interior time standard for the locks. It can realize the function of multi-purpose smart card and provide necessary software interfaces and the equipment of hardware card reader.