JL 532NM series >50mW(50-1200MW) Diode-Pumped Solid-State Green Lasers. They're of stable beam output and equipped with temperature control TEC. Compared to most handheld lasers, these DPSS laser modules are featured with high reliability, high stability, high efficiency, low noise and excellent laser beam quality. These lasers are specifically designed for OEM, scientific and industrial use.