Specification: Brand XANESModel XL12 Light Bead 3 x T6 Lumens 2500LMModes Stepless Dimming Mode 5 Normal Modes (High, Medium, Low, Flash, SOS) Material 6061 Aviation Aluminum Alloy Color Black Weight About 118g (withoutbattery) Stepless Dimming Mode:1. When the button is double-clicked, 2 is displayed on the digital tube, & the decimal point is not lit.2. After the mode indicator is displayed for 3 seconds, it will automatically switch to the battery indicator.3. Long press the button, the brightness will gradually increase until the brightest.4. Loosen & then long press the button, the brightness will gradually reduce, until turned off, the power display is also turned off.5. When full power, stepless dimming in the range of 0 to 100%. When the battery power is lower than 4, the stepless dimming range is 0 ~ 50%.6. Double-click, digital tube display 1, & the decimal point is lit, this time for the gear dimming mode. Digital Tube Display on the following:L. low profile, highlight the brightness of 30%, when the battery is less than 4, the brightness will be gradually reduced to 10% of full power high profile.E. In the file, highlight the brightness of the file 60%, when the battery power is below 4, the brightness will be gradually reduced to 20% of full power high profile.H. Highlights, 100% brightness. 2500 lumens or so, when the battery power is lower than 4, the brightness will be gradually reduced to 33% of full power high profile.F. flashes, 10HZ flashes S. SOS file, three short thre