Description: High quality material, waterproof, stable and reliable. 125Khz 12V, with user manual, easy to use. Support 1000 standard users, can add card number and delete card number as your requirement. 3 open door modes, card, password, and card plus password. Perfect for card access control, password access control, single door access control, ect. Specification: Material: Metal Size: 122x83x22mm/4.80x3.27x0.87inch Working voltage: 12V User Capacity:1000 user card Package Includes: 1 Piece Door Access Control Note: 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