WIRELESS SECURITY SURVEILLANCESYSTEM3.5" portable color monitor (640 x 480 VGA), remote digital pan/tilt zoom capability runs up to 10 hours with lithium polymer rechargeable batteryAble to view in quad, autoscan or full screenPortable weatherproof, night vision camera transmits up to 500' with built-in microphoneOperates on 2.4GHz Digital FHSSExpandable to 4 camerasIncludes 1 camera, PC software both Windows XP & Vista compatible that features detection sensitivity, playback, scheduled recordings and smart motion detection & alarm