Webserver, Single Door Controller 1. 1 door, 2 Readers 2. 20,000 Card User 3 ... control the gate output relay: 1pair Open delay time: 1-600 seconds adjustable Maximum number of connections: No limite ... ty: 20,000 cards Permissions Record the number of offline storage: 100,000 records Power failure protection measures: high-speed ... limite TCP/IP WEB Based Single Door Access Controller, 1 door / 2 readers