Check the listing for details. US Automatic Sentry 300 COMPATIBLE 12V Metal RFID Wired Keypad Waterproof. Condition: New. Listed at 84.21 USD. This tamper-resistant, weatherproof, programmable Multi-code Heavy Duty Wired Keypad can be mounted outside your gate and offer convenient access without having to carry a transmitter. Brief discription: With elegant design, backlit key Waterproof, moistureproof, suitable for outside installation Mulifunction, can be used as wiegand 26 reader alone. With 2000 cards and password storage. Three kinds of opening: card; password; card+password Main Features: Low power consumption, the current is less than 30mA under standby mode. Luminous Keyboard: can operate keyboard even at night Big capacity: 2000 users Support independent password to open the door Short-circuit protection: When the output for electric lock and alarm is short-circuit, it will cut off output within 100?S. Wiegand Input & Output Can delete the card through keyboard With anti-break alarm design. Technical Parameters: Working Voltage DC 12V+/_ 10% Static Current less than 30mA Read distance 2~5cm Temperature -35~60 celsius degree Humidity 10%~90% Electric Lock Output less than 3A Alarm output less than 20A Time for outputting short-circuit protectin less than 100?S Open time 0~99s Dimension 120mm*80mm*25mm Necessary connections for Gate Openers no more cables needs to be connected in order to work (in case of RFID or access applications follow the manual) Red for 12V DC Black for GND (Ground) Purple for COM Blue for NO