Applicable for zone 1, 2, 21, 22. This corrosion resistant and anti-fog PTZ type dome camera Best suited for oil refineries, Onshore & Offshore rigs and petrochemical plants, they are built to tackle the toughest conditions. These cameras are robustly built with well-structured explosion-proof design principles to make the final product hardy and ensure that it serves its purpose. A cylindrical flame-proof joint secures the inside of the stainless-steel casing. This guides ignitable particles into a conduit. Rugged Design Stainless steel with surface electro-polish and passivation treatment, explosion-proof, dust-proof, water-proof, rust-proof. Automatic display: control protocols, baud rate, address functions managing title information, PTZ Stainless steel 304 or 316L with sunshade support Appearing the explosive hazardous area due to the mixture of flammable dust and air in area No.20, No.21 and No.22 Wide voltage input: DC24V<2A