Parameters:

Wavelength: 808nm
Output Power: 200mw
Working Voltage: 5V
Working Current: <380mA Duty Cycle: 45 seconds On 15 seconds OFF Working Temperature: +10 ℃~+40 ℃ Laser Shape: Dot(rectangular to oval) Focusable: Yes Material and Color: Aluminum Dimensions: 12*45mm

Features:

1.This laser locator/module has is widely used in clothes cutting, wood cutting, mechanical positioning.
2.Please keep the lens clean to make the laser beam clear and bright. 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.
3. Please wear 808nm laser protection goggles to protect your eyes when working on this module.

https://www.aliexpress.com/item/10000059468876.html?spm=5261.ProductManageOnline.0.0.183d4edfCmNZ68

Package:

1x Focusable IR Laser Diode 808nm 200mW 810nm Infrared Laser Dot Generator Module

1x 5V Adapter

1x Heatsink