16 of 18 people found the following review helpful
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This review is from: CPS RF Response Pad with LED Screen (Misc. Supplies)
The description of this hardware leaves no room to specify that there are, in fact, two non-compatible versions of CPS Response Pads which have the same design. It may be helpful to contact your individual vendor and find out whether they are selling the K-12 or the Higher Education ones, before you spend money on this product.