... :CE&ROSH Quick delivery Good quality with lowest prices T-502 50mW double lens laser gunMore than 128 patternsCertificate:CE&ROSHQuick ... , good price Pls look at the following technical parameters: ModelT-502 2 Beam Laser light(50mw)Scan SystemHigh Speed Step Motor ... .8kg Work PlaceDisco, KTV, Bars, Clubs, Family party etc. T-502 50mW double lens laser gun