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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 Company Cat. No. 3143 Ultra-bright Key Chain Laser Pointer
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