540TVL索尼荒漠化公约》去放大镜4-9毫米口径S66

Product Overview: • This HIGH RESOLUTION surveillance camera series is designed to suit versatile security demand with the HIGH QUALITY PERFORMANCE • Built-in infrared LED, may work under zero degree of illumination environment • 4-9mm Vari-focal Manual Iris IR Lens • New special housing design, External lens adjustment • Lens focus and zoom are adjusted from outside by the button back of the camera • The infrared project distance is between 20 30 meters (65 100 ft) • Using weatherproof metal crust (IP67 standard) • Automatic backlight compensatory function • Automatic tracking white balance • Socket Plug