... H112mm Operate method: Input password and turn handleMain parts: Lock panel and lock body, handle door catch.[ External power supply( ... free as from 1% to 3%]1. Parameter Materail Lock Panel-Zinc alloy; Lock body: ABSPassword digit ≥4, ≤ 10Power source ... We manufacture high quality RF card hotel door lock,RF card locker lock,Digital locker lock,Energy savingswitch,Doorbell switch,Touch screen light ...