Security Labs SLC-177  Security Labs Slc-177 Ptz Speed Dome Camera With 22x Optical Zoom (Black) Motorized Pan/tilt Speed Dome Camera 22x Optical Zoom 600 TV Lines Resolution Sony Exview Ii Ccd With Effio Dsp 360 Degree Continuous Pan @ 120 Degree /second & 0-90 Degree Tilt