This high power 100mw burning green laser is the cheapest in the world. We sell it as promotional green laser.

Dimensions: φ23*146MM
Class: IIIB
Wavelength: 532nm
Output Power: 100mW
Output Mode: Constant Wave
Battery: CR123A x 1pcs
Operation Temperature (℃)   15℃～＋30℃
Storage Temperature (℃) -10℃～＋40℃
Warm-up Time (seconds) : 1 second

Safety key at the tail to turn on or turn off the laser pointer (3th picture),focus-adjustable.