The nightwatcher is a patent pending motion tracking feature built into a pir lamp the nightwatcher detects an intruderrsquos motion within the field of vision of the pir and points the lamp directly at the intruder as the intruder moves across the pir field of vision the motorized nightwatcher lamp head takes aim and follows the nightwatcher nw720 is an led lamp powered by a bright 11watt led with the brightness of a conventional halogen bulb but a fraction of the energy consumption