U.S standard five-latch mortise, Low voltage warning, Access record checking, Multi-language software, Reliability.
Material: Stainless steel .
Mortise: U.S Mortise with 5 latches.
Power supply: 4 AA batteries .
Low voltage warming: <4.8 v="">4.8>
Software: Hotel management software.
Card type: S50/S70 Mifare card.
Card reader: Encoder.
Temperature: 0C~45C .
Humidity: 20%~80%.
Backup unlock mechanism: Mechanical key .
Dimension(L x W x H): 239*78*28mm .