User capacity: 3000 Panel: Touch screen panel Working frequency: 125KHz Card reading type: Supports compatible cards Card reading distance: 0-10 cm Identification methods: Card, password, card + password Backlight: Blue backlight Waterproof function: IP68 rated, suitable for outdoor installation Doorbell button: Supports wired doorbell Wiegand signal: WG26/34 input/output Management card programmable: Yes Working voltage: DC 12V Working current: ≤30mA Door opening time: 0-255 seconds Working temperature: -20°C to 70°C Working humidity: 20% - 90% Color: Black Material: Zinc alloy Size: 140 x 70 x 16mm Package Contents: 1 x Access Control Keypad 10 x 125KHz Key Cards Note: Light and display differences may cause slight variations in color between the image and the actual item. Measurement error allowed is +/- 1-3cm.