Output Type:Fixed focus， continuous output and working time of over 5，000 hoursMaterial:CopperDimension:155mmX16mmWavelength:532nmOutput Power:200mW(Class IIIb)Power supply :AAA Batteries 2 pcs. (Not included)Range in darkness :2000-5000 yardsLaser Color:GreenBody Color:BlackWorking current:I<250mAOperating Temperature:+20 C~+30 CWeight:36g (only Laser pointer) Package Include: 1 X Green Laser pointer 303 (No Battery! NO charger) 1 X Safety Keys