The Universal LightProbes from Optomistic Products (South Freeport, ME) are small, highly versatile sensors and fiber-optic probes for reliable LED test. Universal LightProbe LED sensors combined with a wide range of fiber-optic probes ensure the reliable and accurate test of color, including white LEDs, and intensity for almost every LED color and brightness. Unique technology reduces overall LED test time, and is designed to be compatible with today's high density test fixtures.