... Marking Exd II CT6/DIP A20 TA,T6 Enclosure protection: IP68 Explosion-proof PTZ camera FeatureAtmospheric Pressure 80KPa ~ ... proof Marking Exd II CT6/DIP A20 TA,T6Enclosure protection IP68Structural Integration dome type structure, double-shade designManufacturing ... and multi-brand cameras agreement Built-in surge and lightning protection devices Built-in heater and fanOptical SpecificationTypeHB- TB525 ...