Specification :

lock feature:
Famous design and stainless steel lock plate and handles, never fade;
Raise the handle locked, lock free handles inside and outside the body;
Smart card and mechanical key to open the door;
Low-voltage alarm function, convenient and reliable;
Standard American standard 5 tongue lock body, sturdy and durable;

Technical parameters:
Operating voltage: DC6V, 4 pc AA alkaline batteries can work one year.
Operating temperature: -20 to 60  Operating humidity: 15 to 85% RH
Static power consumption: " 15 microampere Dynamic power consumption: " 200 milliamperes
Card Technology: T5557 Card / Mifare 1 Card