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1) 405nm Blue Beam Laser Pointer

2) Max Output Power: 4mw

3) 1.1 mm beam diameter at source

4) Momentary push button switch

5) Material: Aircraft aluminum

6) Constant wave output (as opposed to pulse output)

7) Takes 2 x AAA batteries (not included)

8) Single-point laser range: 500-1000m

9) Can be used for Remote indication? indicating the atmosphere manufacturing class (disco cool to play? create the atmosphere? teaching directing? conference report indicates? Architecture Exhibition control instructions? and refer to the best star pen)