Solar Two Directional 36 Bright White LED Security Light with Motion Sensor and Amorphous silicon solar panel Using LED (Light Emitting Diode) technology and powered by the sun, this Solar Security Light is ideal for outdoor areas where no mains power is available; such as entrance areas, driveways, carports, garages, sheds and caravans. During the day, the solar panel collects energy from the sun to charge the batteries inside the light. When batteries are charged, your solar security light will automatically turn ON when motion is detected. Comes with 16′ Foot cable so that solar panel can be placed up to 16 feet from the light fixture. The solar panel includes a built-in photo sensor, which detects the level of surrounding natural light and controls when the Solar Security Light will begin to activate each day. Solar panel should be placed away from other night time light sources, as this might keep the light from automatically turning on at dusk.