... , 5mw,10mw,20mw,30mw,50mw,100mw available 3.Battery:AAAx2 High power green laser pointerlaser pointerFeatures:1) Battery :AAA(1.5v) X2 ... Parameter:Fixed focus, green dot facula5) Output Wavelength532 nm6) Output Power: 5mw,10mw,20mw,30mw,50mw,100mw7) Working VoltageDC=3V 8 ... 2-3 minutes9) Appearance and Color: Black / Silver / Black+ Silver High power green laser pointer