... 122gFunction:1. Key is TM card(ibutton /touch memory card), Management card is my company's special card, can not be copied, ... cards, then reset new cards), Management card(add or delete card), Manager card(general card), Waiter card, Guest cardParameter:Working voltage: DC 6V ... or set double cards (Waiter card and Guest card ) to unlock, can set Manager card as general card.3. Ordinary cabinet lock: ...