... ballpoint pen,OEM design are welcome Feature:Portable red laser pen with 5 different shape:finger,line,arrow, ... Long lifetime chip,expected lifetime:more than 8000hours.Clearly visible in the dark and lighted area.High quality, ... well tested.Technical parameter: Output wavelength650nmOutput power(mW)5mW-200mWTransverse modeTEMooOperating modeCW(continuous wave)Beam colorRedBeam divergence(mrad ...