445nm 455nm 450nm <5mW Blue Laser Pointer Pen

445nm 455nm 450nm <5mW Blue Laser Pointer Pen

Specification
Output: <5mW
Wavelength: 450nm±10nm
Working Voltage: 3V (2 pcs AAA batteries, not included)
Working Current: 280mA
Laser Shape: Dot
Size: Dia.14mm
Battery direction for installation: + pole of the battery connects to the tail of the pen, – pole of the battery connects the spring of the inside module.