Optex TR-20U | Identifies zone by LED light | Low battery indicator | Powered by 9V AC adaptor (included). Buy Now. Fast Shipping, Call (866) 440-2288
The Optex TR-20U is a hardwired repeater for the Optex RCTD-20U (Wireless 2000) sensor / transmitter and receiver set. It extends the range between either the Optex TD-20U, Optex TC-20U or Optex TS-10U, and the Optex RC-20U receiver of up to 1000 additional feet (depending on device, line of sight).