Activates lights automatically within 270 degree detection area for greater coverage; Instant-on provides enhanced visibility to deter intruders; Three modes of operation: Motion sensor mode - lights turn on automatically when motion is detected; Dusk-to-Dawn Mode - lights turn on automatically at dusk and then off again at dawn; Combo mode - lights turn on for three or six hours at dusk and convert to motion sensor mode when appropriate time elapses; Detects movement up to 45 feet away for maximum security measures; Built-in photocontrol for automatic night-time operation; Precise pre-set time switch for 1, 5 or 10 minutes for no more guesswork; Photocontrol overide for 24-hour operation; Variable sensitivity control; 1000W sensor works easily with other equipment such as video cameras or alarms, when extra measures are necessary; Lampholders are fully adjustable to cover a 180 degree zone with lighting; Packaged ready to install.