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This ultrasonic proximity
tag comes attached to a keychain and is supplied with a pre-assigned unique
code.
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Range: 5cm-10cm
(1.97"-3.94")
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Water proof
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Shock proof
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Uses ultrasonic connection
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Each tag has a unique
pre-assigned code (8 digit number) printed on the back
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Dimensions: 39mm x 35mm x
7mm (1.54" x 1.38" x 0.28")
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