1、Independent card reader. Low price, just connect the electrode and the power supply. 2、Easy to use, the back is flat for easy mounting on any flat surface. 3、Programmable door release time: 1~250 seconds. Keyboard management can add or remove access codes. 4、Built-in electric buzzer for sound card input and programming. 5、Machining is highly durable. The EM-ID thin card or key card is optional. Features: Independent card reader. Low price, just connect the electrode and the power supply. No control panel, independent access to the controller. Easy to use, the back is flat for easy mounting on any flat surface. Operating mode: Card only, only cards with keyboard. The card capacity is 1000 users. Programmable door release time: 1~250 seconds. Keyboard management can add or remove access codes. Built-in electric buzzer for sound card input and programming. Data is protected even after a power failure. Machining is highly durable. The EM-ID thin card or key card is optional. Specifications: Condition: Brand New Material: ABS plastics Color: Black Number of cards: 1000 Display: red - power navigation, black - grant access, yellow - beep Keyboard: 3 x 4 flat film Power: DC12V 3Amp Frequency: ID: 125 kHz, IC13.56mhz (optional) Temperature: -10 ° C ~ 70 ° C Humidity 10%~90%RH Card reading distance: less than 10cm Packing size: Approx.13.8*9.2*3cm/5.4*3.6*1.2in Weight: Approx.154g/5.4oz Package List: 1 * Access Control 2 * Connection Cable 10 * Access Card 1 * Manual