drivers ass With customer safety in mind, DS18 cameras and reverse sensors are manufactured with the most up-to-date parts in the industry. Engineered and designed in the United States our cameras have crystal clear night vision and are tested to work in the harshest environment. Technical Details Operation Temperature: -10°- + 46°C (RH95% Max) TV System: NTSC Distance Scale Line: 6-9M Effective Pixels: NTSC: 648 x 488 pixels Sensing Area: 5.55µm x 5.55µm Horizontal Resolution: 420 TV Lines Dime