Heath Zenith SL-6019-WH-A Wireless Command Motion Activated Indoor Alert Heath Zenith SL-6019-With-A-Motion-activated Indoor Alert Set Motion Activated Indoor Alert Set Wireless Motion Sensor Can Be Mounted Where Needed To Detect Movement Without Wiring Up To 100-Feet Away From Plug-in Alert Motion Sensor Features 180 Motion Detection Angle Up To 70-Feet Away With Selectable Sensitivity &amp; Light Timer Of 1 Or 5 Minutes When Motion Is Detected, Light Attached To Plug-in Will Turn On &amp; Audible Alert Will Sound Includes wireless motion sensor and plug-in alert Motion outside turns on lamp and sounds alert inside Sensor may be mounted indoor or out where needed without wiring Plug-in controls up to 300 watts incandescent lighting White, motion sensor 3.875 by 3.125 by 3.875; plug-in alert 2.875 by 3.50 by 1.125 inches