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01. Dual mode CID
chip, compatible with FSK/DTMF CID receiving and transferring
02. Day/night mode with real time clock
03. Voice announcing Ext. No.
04. 11 chord melody music selectable, auto select daily
05. Hi-efficiency safe switching power, back up battery interface
06. External music input
07. Upgradeable module design (From 416 to 848)
08. PC interface compatible with CDX charge software
09. Keep 1400 charge data while power off
10. Door phone interface
11. Broadcast call
12. Door opener
13. Alarm clock |
