1:illuminant:CREE Q4                       
2:luminance:120 lumen                        
3:material:aluminum                      
 4:battery:1x18650 Li-ion                        
5:Irradiation distance:150-200 meters                  
6:Irradiation time:210 minutes                     
7:size:Φ31.5x145mm                     
8:Work mode:high bright,low bright , blink