This unit offers safe and hassle-free operation and mates securely with standard FL150/115 microscopy light guides, eliminating adapters. The MI-150 delivers 350,000 foot candles of high-intensity, cold light illumination when coupled with any of our fiber optic light guides. Standard FL150/115 provides a lamp life of over 200 hours at full intensity. This unit is available separately or as part of a complete fiber optic illumination system.