Installs easily in seconds; just peel and stick to any surface (bricks， stucco， siding， wood， metal， glass etc.)No wiring necessary; solar energy poweredDurable， weather-resistant & heatproof plastic constructionAutomated switch - Auto on at night / auto off at sunrise; Dim light when no motion / Bright light activates when sensing motionBright， yet inconspicuous fixture; 4.5" x 3.4" x 1.6"