The packaging does not list the updated information for the XM-L2 LED. The additional orange and silver sticker on the front of the box that says “Upgrade for Free, CREE XM-L2 U2, 15% Brighter” ensures that you have received the XM-L2 model.
XM-L2 U2: 11161-1015/365/10
XM-L2 U2: 9151-832/301/9
1) This feature prolongs turbo output runtime, by reducing output current by 45% after 200 seconds at turbo mode. With this feature disabled by user, it reduces output current by only 15% after 200 seconds at turbo mode for higher output.
2) ANSI FL-1 lumen is the total overall light output being emitted from the flashlight. This measurement is generally more accurate as it takes into consideration the loss from reflector/lens/bezel. EagleTac ANSI FL-1 Lumen output is measured using a calibrated integrated sphere one minute after turning on the flashlight.
This gives you the maximum brightness output in its class and maximum beam distance.
Head Diameter: 1.5 inchesBody Diameter: 1.4 inchesLength: 4.3 inchesWeight: 5.2 ounces (148 grams)