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A. System Construction
DouWin set of locks, computer, management software, Encoder, IC card, energy saving switch 
B. Multiple functions
1.Five levels of control: General control, building control, floor control, area control and room control.
2.Password control: System password and operating password together to ensure security.
3.Cipher coding to key card: Each card has a different code that cannot be copied. Compulsory decoding will destroy the card automatically.
4.Area control: Cards of different types and levels can open different locks in different locations.
5.Timing control: Working clock is set inside locks to control the effective time limit of card keys.
6.File record: All issued card keys have records including each opening(also mechanical key opening)
7.Loss reporting: Open function can be cancelled when the card is missed.
C.Strong compatibility and expansiveness
The system can be run above WINDOWS 3.1 operating system. In provided with strong expansiveness, it can link with the hotel management system. The system is in kind system interface which is easily operated.

Basic Technical Functional Index:
1.Power Supply: DC6V, use of 4 pieces of No.5 (or No.7) AA batteries, with lack of voltage indications.
2.Static Power Supply: <1u A
3.Dynamic Power Supply: About 200mA
4.Lifetime of battery: For the allowed door open times, it normally can exceed 20,000
5.Record inside the lock: 256 lines for standard type, exceed 1,000 lines for special demand
6.Setting Requirement: Working temperature -20'C~70'C, humidity:98%max.
7.Anti-static Electricity: 15,000V, it ensures information inside the lock not missing under the interference of strong static electricity.

we may say should you favor us with inquiries for specific requirements, we are in a position to supply you with the first class products at competitive price.