Explosion Proof Camera HL-E8003D Have certification of national Ex-proof electronic products quality control center.Can be used in where there is flamable gas B, light temperature are 20,21,22 setor of T1-T6. and where are flamable dust.Made of high strenthen 304 or 316 stainess steel, install the camera in the shield, the camera can be drawered in and out by the drawer board. Easily install, vision window made of impeing class, the long diameter to get wider vison angle , back board,vision window and cables are all easily resembling and dispatching.