Amazon offers the Mr. Beams Wireless Motion-Sensing LED Light (4-Pack) on sale for a low $35.99 plus free shipping. Limited time offer. You save 40% off the price! That's the lowest price we could find.

• Built-in Light and motion Sensor with Auto Shut-Off of 20 Seconds
• Each light has 30 lumens of bright led light that cover 50 square feet
• Durable, weatherproof design allows it to be used anywhere
• Two mounting options - in ground with the included stake or on walls
• Requires 4 AA batteries (not included) that provide 30 hours of light