Extensible pen laser pointer,ballpoint pen,teaching baton GF801 red laser pointer pen(black,silver,blue colors)laser pointer+pen+extensible pointerSize:1.0(dia.)x15(L)CMOverall length(open condition):52cmOutput power:<5mW,wavelength:650nm,Batteries:3xAG3Range:over 500yds,Packaging:tin box or gift box