1. Brightness: 250/200/120/80/60/20 lumens

2. Runtime: 2/3/5/7 hrs

3. Weight: 88g

4. Dimensions: L10.9 * D2.7cm

5.Bezel size: 2.0cm

6. Batteries: 3*AAA NiMh

7. Function: Adjustable beam angle, constant-on & Momentary-on

8. Construction: CNC Machined aerospace-grade aluminum, Mil-Spec type hard anodized