The SL-5411-WH features 150-degree motion detection at up to 70 feet with a metal housing for durability, and it uses two PAR38 flood bulbs (120-watt, not included). Lights are activated when motion is detected, so there's no need to waste electricity by leaving the lights on all night. You can choose between three auto modes 1, 5, or 10 minutes of illumination after motion triggers the light.