The SwitchMPLS is designed as a personal task light that offers very light weight and unmatched versatility, Combining functionality with intuitive design is the name of the game when you have a dualLED head on a flexineck platform, Specialty lighting colors are important when accomplishing tasks that require night vision preservation, the SwitchMPLS will always turn on in the low mode of these specialty colors, but with a 2 second hold of the large push button, the SwitchMPLS will activate the bright white or red LED mode for better illumination, Specialty LED colors include Red, IR, Blue, and Green, High Output colors include White and Red, Tan Body With Blue LED, Power 10 Lumens, Batteries 2 2016 Lithium Coin Cell, SKU: TCLGR1931