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Order as many of these IR pairs as needed to go with the four channel (ENV-253), eight channel (ENV-256I-8), or sixteen channel (ENV-256I) controllers. This item consists of two parts. The first is a single infrared light source housed in
a plastic cylinder with two holes for mounting screws and two-conductor cable. The second is a single infrared detector, or receiver, housed in a similar plastic cylinder with a three-conductor cable. Individual source and detector units may be placed from 0.25" (0.6 cm) to 30.0" (76.2 cm) apart under most conditions.
Dimensions:
0.75" (1.9 cm) diameter x 0.5" (1.3 cm) deep
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Operant Behavior