Main Technical Parameters: Size (Round):14mm x 60mm ; 20mm x 59mm ; 20mm x 80mm Size (Square):85mmx50mmx40mm Available wavelength:532nm Operating voltage:DC2.7V to 6V Line thickness:≤0.5mm(0.5m) ;≤1m(2m) ;≤2mm(6m) Fan angle:10?to 110? Divergence: 0.2 to 2mrad Output power:1 to 15mW 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: < 15Min Stability: