Main feature:
	Operated by digital keypad
	Transfer motion with variable speed motor
	Optional override mechanical lock
	International standard A.D.I keypad
	Optional 3,4,5,6 digits setting
	Code appearance on screen or not
	Keypad auto lock after consecutive 4 wrong code or card(optional 0,15,30 minutes)
	Time dilay before opening (optional 0-24 minutes setting )
	low battery announcement-------battery status can be checked
	Optional master code and master credit card setting
	Specially designed space for lap-top computer to assure security for your data
	Low energy consumption:
	4 AA size alkaline batteries will last 18 months, based on 5 times Door opening per day.
	Single-time molded case and unique spray coating technique to keep the case rust
	- free for 15 years