DENGINEERS RBYG LED 40PCS Light Electronic Hobby Kit

100% Brand New and 'Grade A' LEDs. This Lot Contains 40 Pieces of 10mm LED High Brightness and Low Heat Expected Life More than 5 Years. Long Lasting (Last up to 50000 Hours When Used with Appropriate Heat Sink) Low Power Consumption & Ultra Bright Low Forward Voltage Operated Solid State (Less than 100ns) More Energy Efficient than Incandescent and Halogen Lamps Please Do Not Look Directly at these LEDs While they are Lgnited Start to Use LED and Save the Earth!