The DM-TP BW224 is a monochromatic security camera at a very low cost. The DM-TP BW224 security camera gives you 420 stunning lines of B/W resolution for a clean and clear picture. An outstanding 0.05 low light lux rating gives you a superior night time performance. The advanced BLC (Back Light Compensation) circuit will compensate between the high and low contrast areas. This capability allows you to have a great B/W picture even in areas that are cast in shadows. The DM-TP BW224 is great when you need a low cost and low light B/W video security camera.