... ,Max Records Capacity 50000pcs. Waterproof. * Build-in Card reader and Controller* Build-in 4DI,door open signal input, magnetic signal input, alarm signal ... 5 periods, each using a different process to open the door: card flashing, card flash + password, invalidation, normal opening or special regulation to ... Gate Relay Port¦ 30VDC.1ARecords under Power-fail¦ 10 Years Door Access Control card reader