AR Soyal 837EF (3DO)  professionally for timekeeping, security control simultaneous use Fingerprint & Card 125kHz: EM, HID Option. 
- Professional Keyboard with bell buttons, LCD display showing user name and the date and time 
- AR 837EF (3DO) operate independently (stand-alone) or PC connection (Networking) 
- Memory management 500 user fingerprints or PIN card user /16.000 
- 32,000 Transaction Storage when Off-Line 
- Supports TimeZone 63, 16 Auto Open Door Time Zone 
- Software Control + professional timekeeping Vietnamese. 
- Support for computer connection: TCP / IP or RS485 
- Supports up to 4 connections AR401RO elevator controller (up to 64 stories): RS485 or TTL 
- Full Access Control features: Automatically open according to Time Zone, alarm when the door is broken or forgotten closure 
- Full Time features Attendance: Regime under Time Zone clock, automatic adjustment or labor cases



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