Newegg offers the Collection LED 4-watt MR16 LED Light Bulb, model no. CL-MR16-4W-W, for $4.99 plus 99 cents for shipping. That's a buck below our August mention and the lowest total price we could find by $11. This 30-watt equivalent light bulb features a 200 to 399 lumens range and 40,000 lifetime hours.