Easy to install on most wooden panels between 3/16 and 1-3/16 inch, hidden behind with lock dimension 2.3" x 3.6" x .65"
Powered by 3 X AAA batteries (not included). Lower battery alarm (when operate).
Easy to program - no need for software or PC
Same card can be set to operate multiple locks. One lock accepts up to 50 user cards.
Includes (3) cards which can be programmed by user, (1) manual, (1) hardware kit, (1) striking plate