The High Resolution Monochrome (B&W) Bullet camera with digital signal processing shall be a Weldex WDB-3585B. The camera shall include a mounting bracket. The camera shall feature a 1/3'' interline transfer Sony CCD pickup device. The camera shall produce a horizontal resolution of 570 lines and a signal-to-noise ratio of 50dB or greater. The camera's Digital Signal Processing (DSP) shall feature digital back light compensation (BLC). The camera's Automatic Gain Control (AGC) shall provide clear images in low light conditions. The camera shall display useable monochrome pictures at a scene illumination of 0.03 lux (f/1.2). The camera synchronization shall be internal. The video signal shall be transmitted up to 900' over coaxial cable (RG-6). The camera shall have a BNC video output connector. The camera shall include a variable focal D-mount lens of 4mm - 9mm with an option of a 2.6mm - 6mm variable focal D-mount lens. The variable focal lens shall further have be an ALC servo lens