Feature:1. Low power consumption, standby current is less than 30mA.2. Luminous keyboard, convenient to use at dark night.3. Large user capacity, this access controller supports 2,000 users.4. Metal panel, IP65 waterproof, corrosion resistant for long term using.5. Independent password design, you can use a password that is not related to the card to open the door.6. The user can change the door password, safer and dependable to use.7. Fast search speed, and the unlocking time while charging is less than 0.1s.8. With output short circuit protection, the electric lock or alarm output circuit automatically closes the output within 100S.9. With wiegand output interface, wiegand26 card number, provides professional peroformance.10. If the card is lost, you can use the keyboard to delete the card, eliminate security trouble completely.11. Built-in alarm buzzer, prevent illegal dismantling, effectively ensure security.12. The keys are isolated from the circuit, which is outside of doorbell.Specification:Condition: 100 percent Brand NewItem Type: Access ControllerMaterial: Metal Color: As picture shownOperating Voltage: DC12VStatic Current: 30mAReading Range: Approx. 3 - 6cm or 1.2-2.4inCapacity: 2000 UsersAmbient Temperature: -35 - 60Ambient Humidity: 10 percent - 90 percent Lock Output: 3AAlarm Output: 20AOutput Short Circuit Protection Time: 100SOpen Time: 0 - 99 Seconds (Adjustable).Package List:1 x Access Controller1 x Mounting Accessory Package1 x Instruction