New Wish Brand Green Laser Great for pointing objects from long distance, such as stars Visible green light beam in the dark Range in excess of 6,000 ft Power saving, compact and reliable Comes with batteries and a nice, solid gift box. Max Output: <= 20mW Wave Length: 532nm Output wave: Continuous wave Class: Class 3B (update: the factory has confirmed this to be a genuine Samsung Laser Chip rated 3B) Power: 2 x AAA battery (included) Time to reach full laser strength: 0 to 60 seconds Comparison: About 2 times brighter than the 10mW green laser with a bigger dot and a more visible beam