Specification :
(1) High Power IR Laser Pointer with Adjustable Focus
(2) Wavelength: 808nm/830nm
(3) Battery: 1 XCR123A
(4) Dimension :30X153mm
(5) Output power: 100mw-300mw
(6) Transverse Mode: TEMoo
(7) Switch: Momentary switch
(8) Expected Lifetime: > 8,000 hours
(9) Body Material: Brass
