rfid contactless door lock with deluxe design for l, residence, resort

product advantage: powerful handset device lma139 which can initialize max 500 rooms at one time,and download max 10 rooms' lock events at one time. opening events: audit trail records the latest 800 lock transactions, include the opening time/date/card type/guest info. low battery voltage warning (beep and red light): when the working voltage of cpu is lower than 4.8v, there will be a low-voltage alarm, and the door can be opened for about 200 times before batteries run out. do not disturb (dnd) function: when the deadbolt is on from inside, the lock will reject the cards outside by displaying red light