What you are viewing is a 37X Optical Zoom/12X Digital Zooming Lens 500TVL Security CCTV Dome IR PTZ Camera, to well watch the house for you, this Night Vision Security IR PTZ Camera is a great choice for you! Ultra small integrated intelligent CCTV surveillance pan tilt zoom speed dome day and Night Vision Security Camera, feature 1/4 inch Vertical double density interline CCD sensor, 500 TV line horizontal resolution, 44 million pixels effective pixels, 37X optical zoom, 3.5-129.5mm lens, This Security PTZ Camera comprises of day/night capabilities and outstanding sensitivity making it an outstanding performer in all lighting conditions. In low light, this Security PTZ Camera automatically switch from color to monochrome by removing the IR filter to boost infrared illumination sensitivity, while maintaining superior image quality. This IR PTZ Camera provides great performance! Practical and reliable, do not miss the Dome Security PTZ Camera, you will like the way it works!