Finally, and I mean finally, someone has developed a cordless, super-bright under-hood inspection light that is well made! It's shatter-proof, water resistant, oil proof, and gives off very little heat. (Unlike your typical light bulb shop light that I highly recommend you throw away for safety reasons.) The 30 bright-white LED lights are set into a convex mirror reflector for bright, focused light at 90 lumens. It has a charge status LED that is red while charging and green when fully charged. A 5 hour charge and use time, you'll enjoy laying on your back trying to find that dropped fastener for hours! There is a self contained lithium battery that has no "memory" from short charge times. Did I tell you it has a soft rubberized housing that feels great in your hands? Integrated hook spins 360 degrees for hanging under hood or other locations for "hands free" use. Plus two chargers are included; a 120V wall charger and 12V automobile power port/cigarette lighter charger. Hold the thank you letters and spend the time enjoying it.