ProductsName: Green Dot Laser module ProductsModel:TDA,TDB,TDC,TDD,TDE,TDF,TDH,TDI ProClassName:laser module Main Technical Parameters: Size (Round) 16mmx60mm;18mmx60mm;20mmx59mm;20mmx80mm;20mmx95mm Size (Square): 21mmx21mmx50mm ; 80mmx50mmx40mm Available wavelength:532nm Operating voltage: DC2.7V to 6V Beam diameter: ≤1mm Divergence: 0.2 to 2mrad Output power:1 to 20mW Optics: glass lens both sides AR coated Crystal: Nd:YVO4 and KTP Beam mode:TEM00,continuous output Operating temperature:15 celsius to 30 celsius Warm-up time:< 15mins Stability