589nm 20mW Yellow Laser Pointer Amber Laser Pointer Flashlight

589nm 20mW Yellow Laser Pointer Amber Laser Pointer Flashlight

Wavelength(nm):589
Size: 157mm x 14 mm
Output power(mW):20mW
Transverse mode:TEM
Operating mode:CW
Beam divergence,full angle(mrad): <1.5
Beam diameter at the aperture(mm):1.5
Switch:Push button
Surface color:Blue
Power supply: CR lithium(1pcs)
Expected lifetime(hours): 5000
Warranty: 6 months