Light Motion Sensor Has Three Settings. On-Off-Auto. When It Is On Auto, It Is Activated. By Movement And Only When It Is Dark. The Light Will Stay On For Approximately 30 Seconds Once Activated. It Can Be Activated Until 10-15'.Convenient Perfect For Indoors Or Outdoors, The Widest Light Coverage If You Want To Light Up The Porch, Porch Steps Leading To The Porch And The Knob Of Lock/Door On Your Door. The Sensor Light Itself Can Be Manually Turned To 360 Degrees And Slightly Inclined To An Angle For A More Directional Exposure. This Item Is Suitable For; Indoor Or Outdoor Use. Protected Outdoor Use. This Article Is Significantly Non-Slip And Is Suitable For Outdoor Use Under Cover Such As A Porch, Lantern Or Overhanging Roof/Gutter. This Product Is Not Suitable For To Direct Exposure To Weather, Such As Installation On An Uncovered Wall Or Fence.Easy To Clean To Install This Item Requires No Drilling, Screwing Or Power Supply As It Is Battery Operated And Self-Adhesive. We Provide Screws For Optional Use, But Can Be Easily Secured With The 3M Self-Adhesive Pad (For Smooth Treated Surfaces Only). It Also Only Requires 3 Aaa Batteries (Not Included) Suitable For Alkaline (Disposable) Or Rechargeable (Recommended) Batteries And Does Not Require A Power Supply.