... 2pcs battries3.great for teaching,meeting,lecture,military,astronomy4.CE and ROHS, FDA certificate are available5.material is whole copper ... ,10mw,20mw,50mw,80mw,100mw,150mw11.Guarantee:1 year replacement and 6 months repair but exclude artificial Terms of payment & ... are welcomeDiscount3%-5% discharge for big orderPayment T/T,Western union,PaypalWarming for newly portable red laser pointer pen:Laser ...