Motion Activated 6 Bright LED Security Light 16 Feet Range Polystyrene Imported The sensor can detect movement up to 5 meters or 16 feet and within a 100 angle The light has a photo sensor so that it will only turn on in the dark to save battery power Requires 4 AA batteries, included Overall dimensions: 6-3/8" H x 3" W x 1-7/16" depth Weight: 0.70 lb.