Heath Zenith SL-6026-WH-A Wireless Command Motion Activated Lamp Socket Control Heath Zenith SL-6026-With-A-Motion Socket Set Transmitter With 2 Receivers Motion Socket Set Changes Existing Floodlight Into A Motion-activated Floodlight Without Wiring Each Socket Receiver Attaches Into Existing Floodlight Place Wireless Motion Sensor Within 100-Feet Of Sockets Each Socket Controls Up To 150w Of Incandescent Lighting Makes existing floodlights motion activated No wiring--sockets screw into existing light; sensor battery operated Motion sensitivity and on-time adjustable; detects motion in 180-degree arc For both indoor and outdoor use White; sockets 3.75-by-4.5-by-1.125-inches; motion sensor 3.875-by-3.125-by-3.875-inches