Card + Pincode
CM-Door Access
Detailed product description
Can open the door lock by card or by password, or by both card and password.
Storage capacity:250 me card,250 password.
Distance for reading card:5-20 cm
Unit size:117 x 117 x 21 mm
Can connect with door phone or video door phone.
Good for house, apartment, office and warehouse.
http://product.yktchina.com/2012-05/b3c1461c114cc071.html