Description:High quality metal material, stable and reliable.Built-in proimity card reader(125KHZ ASK modulation) and built-in keypad for PIN Code entry.Four open door modes: 4 digit Pin Code, 4 digit Pin Code & EM Card, 4 digit Pin Code & 4 digit Pin Code, EM Card & EM Card.Support 1000 standard users, can add card number and delete card number as your requirement.Perfect for home, factory, office, bank, community, ect.Specification:Material: MetalSize: 11.7x7.6x2.7cm/4.61x2.99x1.06inchWorking voltage: DC 12V10%User Capacity: 1000 user cardCard read distance: 5-15 cmWorking temperature: -10 ~ 55 CWide rel. humdity range : 20 to 90 %Unlock current: 1000mAStatic current: 60mAPackage Includes:1 Piece Door Access Control Keypad 1 Piece User ManualNote:Due to the manual measurement and lighting effects, there is a slight difference between the size and color from the above and the actual item.