... ,wide work temp Red Laser pointerINDUSTRIAL Laser diode modules are simple cost effective laser sources. They incorporate a semiconductor laser diode circuit, collimating lens ... , packaged in a rugged housing to provide continuous or pulsed laser output.SpecificationsWavelength 635 nm, 650nm, 670nm, 780nm L D Power ... °C ~ 50°C)Consistency: ±0.1 mwLife time: 8000h Red Laser pointer