DHI-VTH1020J System Button Type Touch keypad : Basic Display : 7.0" TFT Résolution : 1024 × 600 Indicator Light 1 indicator light; Green: Power on Fonction Communication Method : Analogique Button Type Mechanical Basic Camera 1/4" 1.3 MP CMOS Field of View Horizontal: 70° Vertical: 40° WDR DWDR Illuminator Type Auto IR Day/Night ICR auto switch Audio Input 1 channel to the microphone; pickup distance 0.5 m Audio Output 1 channel to the speaker Indicator Light 1 indicator light; Green: Power on Function Communication Method Analog Unlock Mode : Remote unlock Performance : Casing