Marine Ship Stainless Steel CCD Camera, Salt-proof camera, Explosion-proof Camera, Waterproof CameraModel: ID-EX0304 Product Description Main Features:C Class Explosion-proof,1/4" SONY Color 700 TVL, 20meter IR LED Automatical On, 4/6/8mm Lens,18x optical zoom,Auto Focus, Stainless Steel ,IP66 Waterproof, -40 - +50 oC ,Mini Size and Low..