Vestil Aluminum Adjustable Height Gantry Crane with Glass Filled Nylon Casters 12 Ft. Wide x 12 Ft. Max Usable Height 2,000 Lb. Capacity Silver AHA 2 12 12 Sharp GH0631IA2GC 635nm 638nm 180mW 185mW Orange Red Light Single Mode Description: HL63193MG Wavelength(NM): 638 Output power(mW): 700 Current :900-1100mA Threshold current :200-250mA Working voltage :2.3-2 . 638nm/700mW Laser diode HL63193MG [taobao-goodlaser] - $88.00... Thanks for your understanding and supporting. Please think about it before you buy. Threshold current :200-250mA Laser compnent Laser Marker HL63193 5.6mm 638nm 700mW Red Laser Diode LD Multi Transverse Mode Laser Line Generator