Specifications: 1.7612 Access Control Keypad Material: Metal Voltage: DC12V User Capacity: 1000 users Operating Frequency: 125kHz Reading Distance: 5-15cm Operating Temperature: 0°C to 45°C Electric Lock Interface: Relay Output or Optional Add-on Card Reader Output Interface: WG26 Dimensions: 117 x 20 x 117 mm (L/H/W) Opening Options: RFID Card (Keychain), Password, RFID Card (Keychain) + Password 2. Rain Cover External Dimensions (L x W x H): Approximately 15 cm x 10.4 cm x 9 cm Internal Capacity (L x W x H): Approximately 13.5 cm x 8.9 cm x 8.4 cm Material: ABS Plastic 3. RFID Keychain Material: ABS Plastic Frequency: 125kHz Color: Blue Quantity: 10 Package Includes: 1 x RFID Access Control Keypad 1 x Rain Cover 10 x RFID Keychains Note: We will ship the blue RFID keychain by default. This system is only suitable for single doors.