Mr Beams MB360 Wireless LED Spotlight with Motion Sensor and Photocell - Weatherproof for $20.99

This motion-activated security light is the easiest outdoor lighting solution, with no expensive wiring and no installation hassles. This is the perfect lighting solution for driveways, walkways, entryways, dark stairways, and many other locations throughout your home. It uses the best LEDs on the market, putting out 120 lumens of bright light covering a 350 square foot area. Intelligent sensors detect motion up to 30 foot away keep the light off during the day preventing a waste of power. The fully adjustable head allows light to be aimed where you need it and the easy-to-mount design allows for simple installation anywhere in a matter of minutes.