20pcs Mini-type Dot Focusable 650nm 1mW Red Laser Module

Parameters
Wavelength:650nm
Output Power:1mw
Working Voltage:3V
Working Current:<40mA Focusable:Yes Laser Shape:Dot Lens:Plastic Beam Divergency:Φ10-15mm at 15m Material and Color:Brass Working Temperature:-10 ℃~＋40 ℃ Size:6mmx10mm Features: This is really mini-type red laser module, only 6x10mm, driven by 3VDC!Please keep the lens clean to make the laser beam clear and bright.Before carrying on some laser DIY activities,Be sure the operator has experience in optics DIY or testing. Package: 20pcs 1mW 650nm Red Laser Diode Module