Specifications:- Solar powered， no battery or electricity wire needed.- Extremely bright LED with 3W power consumption， 230-250LM.- LED is inducted by the change of the thermal-infrared radiation in the range 0 to 5 meters， lighting Intelligent， the induction range is refering to the picture "a".-The work process: when the night or in dark place， LED will be standby automatically， motion sensor turns the light on when it inducts the change of the heat source (when someone moves in the range of the induction)， and it will turn off after 28 seconds when the heat source disappears(when someone goes away).- Weatherproof design for durability- Simple and wireless installation， easy to finish the work in minutes- Different designs of brackets for installation: around a tree or column， stick on the wall， stand on the roof， tied in a fence， alongside a window， or hang on the gate......- Light provides about 500 Square Feet of coverage- Motion sensor detects 5 meters of coverage distance- LED life Span: 50，000 Hours， Solar Charge Time: 8 HoursNote: Light sensor only allows the light to active in darkness. We recommend you to test in dark room or closeset.Package Includes:1x LED PIR Sensor Wireless Solar Power Security Light