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Cell (Tr / Rf)
This product is no longer sold. Substitute : HL3-131 Operating distance up to 20 meters. This infrared photocell with reflector meets the highest demands of timing in most sports.
Cell (Tr / Rc)
This product is no longer sold. Substitute : HL3-135 Operating distance up to 40 meters in LOW position and 80 meters in HIGH position A light indicator placed under the receiving lens allows the transmitter to be precisely adjusted to the receiver.