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Laser Keychain Complete Description
Pointer's brilliant red beam works equally well in daylight
and dark. Laser is designed specifically for slide presentations, wall
charts, and field use. Beam is at the highly visible 650 nm wavelength
with diameter of 3.5 mm. Output is 4 mW with a range of 400 feet. Key
chain makes it easy to carry. Supplied lithium battery powers unit for
a year of intermittent use. Size is 2-1/2 x 1 x 1/4 inches, and weight
is 1/2 ounce.
Control Cat. No. 3143 Ultra-bright
Key Chain Laser Pointer
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