Magnetic Stick-on Anywhere Wireless Motion Sensing LED Portable Light Bar 10 High quality super white LEDs. Energy-saving and Eco-friendly Automatic 120 degrees Advance PIR infrared technology, high sensitivity 3 meter detection Long operating life of over 80,000 hours or more Portability. Magnetic strip keeps the light bar in place and easy to remove when you need to carry it with you as a flashlight Powered by 4 commonly found AAA batteries (not included)