HTZ-1000ISDBH (Day/Night) Outdoor High Speed Dome Cameras With IR Filter 12X 1/4″ Interline Transfer CCD Resolution 540TVL Zoom: 12x, Optical: 12x Digtial Focal Length: F1.6 ~ 2.0, f = 3.6 ~ 44.3mm Min Illuminance: 0.7 Lux (Day); 0.02 Lux (Night) Communication: RS485 Protocol: Pelco-D, Pelco-P Selectable Pendent Mount Bracket Vandal Resistance, weather resistance Built-in Fan and Heater Power: AC 24V / 1.5A