Feature: 1. Unique design, with high security and reliability, high receiving sensibility, low working current. 2. Durable backlight keyboard, easy to use at night, low power consumption, standby current is less than 30mA. 3. Adopt for Atmel microprocessor built‑in, strong anti‑interference capability, support Wiegand26/34 input and output. 4. With doorbell port, can install wired outside doorbell, the doorbell is not included in our package. 5. Users can modify password freely, ID card number can be deleted when lost, secure your account. 6. Support three ways to unlock door: password, ID card and ID card+password. Specification: Condition: 100% Brand NewItem Type: Access Control Systerm MachineColor: As Pictures ShownMaterial: ABS PlasticStorage Capacity: 2000 CardsWorking Fruquency: 125 (Khz)Induction Method: Password, ID CardWorking Voltage: DC 12-24VWorking Current: ≤30mACard Reading Distance: Approx. 2-6cm/0.8-2.4inElectric Lock Output: ≤3ATime To Lock: 0-99 SecondsEnvironment Temperature: -40-60（℃）Environment Humidity: 10%-90%. Package List: 1 x Access Control Systerm Machine1 x Mounting Screw Pack1 x Connection Cable1 x Discription Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.