* Emit visible beam at λ= 543, 594, 633 nm * Output power versions from 0.5 up to 20 mW * Mechanical beam-blocking shutter * Different versions with polarized laser beam (P) * Singlemode and multimode versions * High beam-pointing stability even at elevated ambient temperature * Separate power supply, switchable 115 V / 230 V Output power versions from 25-30 mW available on request.