Two!!! New open Box, Unused, Does not come in original packaging. These have two inputs (two prong plug inserts) and will turn a dumb lamp into a smart lamp if you already use the caseta ecosystem. Can also be controlled via pico remote. This will ALSO act similarly to a repeater, PD-REP, see here: https://support.lutron.com/us/en/product/casetawireless/article/troubleshooting/How-to-extend-the-RF-range-of-the-Caseta-Bridge#Anchor1
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