Features: High strength zinc alloy casting, durable, impact resistance, wear resistance and long service life. Fashionable shell design, dexterity keyboard panel operation, reliable and practical. Widely used in home, office, residential area and other public places. Support three door open way: card, password, card + password, and the user capacity up to 8000. The operation is simple and convenient, everyone can use. Specification: Condition: 100% Brand New Material: Zinc alloy Color: Silver Size: 115 * 70 * 22mm/4.5 * 2.8 * 0.9in Keypad: Touch Type Door Open Way: Card, Password, Card + Password User capacity: 8000 Working voltage: DC 12V (9v-16v is also available) Operating temperature: -20℃ ~ 70℃ Operating current: less than 50mA Distance of reading card: 5-10cm Package Weight: Approx. 423g/14.9oz Package List: 1 * Door Access Control 1 * User Manual 1 * Pack of Screws 2 * Wires 1、High strength zinc alloy casting, durable, impact resistance, wear resistance and long service life. 2、Fashionable shell design, dexterity keyboard panel operation, reliable and practical. 3、Widely used in home, office, residential area and other public places. 4、Support three door open way: card, password, card + password, and the user capacity up to 8000. 5、The operation is simple and convenient, everyone can use.