... , fashion silver appearance 3.1mw,5mw,10mw,20mw,30mw High Power Green Laser PointerContinuous Wave Battery :AM4/AAA/LR03(1.5v) X2 Dimension ... Gift box dimension:75x65x30mmTechnical Parameter: Fixed focus, green dot faculaOutput Wavelength532 nmOutput Power: 1mw,5mw,10mw,20mw,30mw,50mw,100mwWorking ... 2-3 minutesAppearance and Color: Black / Silver /Black + Silver High Power Green Laser Pointer