These new bulbs are rated at 16,000 hours of use. Over three times longer than what has been available in the past. These incandescent, bi-pin bulbs are a tiny 2.0mm in size and come in two different brightness's. The 1 CR2S-1009 has a .03 candle power at 30 ma. and closest in brightness to your existing bulb. the CR2S-1010 bulb is exactly the same size but has a .07 candle power at 50 ma. Sold 10 in a package
