* Zinc-alloy,polished golden surface with golden edge.
* Low consume,high sensitive 'Epordo' control PCB board.
* RFID Technology-Philips Mifare 1 card(ISO14443A).
* Power:4 pcs AA battery,8-12 months' life.
* 800 lock events saved circularly.
* 5 latch mortise.
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