From Blackhawk's website:
This sleek light-bearing holster makes it convenient to carry our BLACKHAWK!® weapon light on a concealed handgun. The light’s slim profile creates no added bulk and fits securely in this compact Level 2 holster.
• SERPA® Auto Lock™ release
• Passive retention detent adjustment screw
• Speed-cut design for rapid draw, target acquisition and re-holster
• Includes Belt Loop Platform and Paddle Platform
• Accommodates Night-Ops® Xiphos™ NTX Weapon Mounted Light
• Fits Shoulder, S.T.R.I.K.E., Quick Disconnect and Tactical Holster Platforms