Specification: 
Output Power: 100mw 
Wavelength: 650nm,660nm 
Working Voltage: 3V-5.5V 
Working Current: 180mA 
Working Temperature: -10 degrees~＋40 degrees 
Duty Cycle: 10 minutes on, 3 minutes off 
Laser Shape: Dot/Line/Cross 
Dimensions: 13x42mm 

Features: 
1.This red laser module with built-in driver is an industrial electronic component and used for industrial testament, Lab etc. 
2.This is adjustable 650nm 1mw Red laser module with three caps:Dot line and cross.You can change the caps to get different effects: dot line and cross,which is shown in the main photo.
3.Before carrying on some laser DIY activities, please protect your eyes before laser ray. Be sure the operator has experience in optics DIY or testing. 

Package: 
1 x Adjusted Red Diode Lasers Industrial 3v-5.5v 650nm 660nm 100mW Laser Dot/Line/Cross Module Focusable 13mmx42mm with Adapter & 3 Axis Heatsink