remote control door lock

- virtue of the door lock
installed inside only, no one at outside can notice where the door lock installed
workable by small one touch remote controller within range of 5meter or more
easy installation of adhesion by strong and special adhesive on tape attached, need not keyhole and no damage to door taken place
only 2 batteries(3volt) are needed and guarantee long use
if not changed for new ones even low battery LED signal stopped, exhausting battery, last one opening is guaranteed within one month
it is used for locking at store, warehouse, house and all doors and no thief allowed to enter
the special adhesive melts at about 260degree in celcius and when fire inside the door can be come off for door open and escape
easy to register for leaving remote controllers(keys) if lose key(s) - doing registration is enough
up to 16 remote controllers can be registered