Parameters
Output Power:100mw
Wavelength:650nm
Working Voltage:3V-5V
Working Temperature:-10 ℃~＋40 ℃
Material:Metal
Laser Shape:Dot/Line/Cross
Focusable:Yes
Dimension:12x35mm or 12x45mm(according to factory's manufacturing)

Features
This 650nm laser diode is an industrial electronic component and  used for as Industrial testament, Lab, DIY.
It is precise and sensitive optical instrument. Before carrying on some laser DIY activities, please read about the technical information first and protect your eyes before laser ray. Be sure the operator has experience in optics DIY or testing.
Please wear 650nm laser protection goggles when you work on it.Thanks.
https://www.ebay.com/itm/Red-650nm-660nm-Laser-Protection-Goggles-Safety-Glasses-with-Case-/222188101482?ssPageName=STRK:MESE:IT

Package

5 x 650nm 100mw Laser Diode Module