... Red Laser Module Characteriscics:High-quality laser diode,optical glass lens, driver circuit and housingHigh reliability, high stability, long life ... pointing stability0.05mradNoise<0.5% 10Hz-50MHzPower stability±1, 3, 5% over 8 hrs rmsOptical axis height93.5mmSize of laser headL×W ... ×140×125mmSize of power supplyL×W×H=307×168×123mmCabel-laser head1.0, 1.5mWeight of laser head6.1kgWeight of power ...