AGPtEK Security RFID Proximity Door Entry Keypad with 10 Key Fobs for Access Control System POWER SUPPLY - DC voltage 12V10% Current &lt; 0.1A. DIMENSION - 116mm*116mm*20mm, Ambient temperature :060. RELATIVE HUMIDITY - 20%-80%, Memory capacity:500 user cards or 50 door opening passwords. WORKING DISTANCE - 5-15CM, Card Type: EM or EM compatible cards. PACKAGE INCLUDE - 1x RFID Proximity Door Entry keypad,10x RFID Key Fobs,1x Instruction manual,1xpackage Mounting hardware. Power Supply:DC: voltage 12V10%   Current &lt; 0.1A Dimension: 116mm116mm20mm Ambient temperature: 060 Relative humidity: 20%80% Memory capacity:500 user cards or 50 door opening passwords Working distance:515CM Card Type: EM or EM compatible cards 1 * RFID Proximity Door Entry keypad 10 * RFID Key Fobs 1 * Instruction manual 1 * Package Mounting Hardware