YT20Y

		Key

free becomes reality, no need to copy a standard key as your smart phone or an

iPad or iPhone will become your backup key now

	 Administrator

and ordinary user two level management;

	 Unlock

either by one time or with time limit password, e-key (Divided as permanent key

and period key) by smart mobile or iphone

or even ipad via Bluetooth technology

	 From

mobile app, use mobile or email service to issue share key to others and

quantity is not limited

	 Mobile

app with admin. right can authorize/freeze/revoke each e-key and view unlock

event log

	 Using

the encryption key for multiple levels security protection and verification

	 Unlock

record inquiry via mobile app.

	 Low

voltage alarm

	 Mechanical

key: Emergency door opening