La Crosse Weather Station Sensors/Transmitters Free Shipping! All Items LC-TX3U Sensor Wireless temperature sensor/transmitter with LCD display $ 34.95 LC-TX3UP Sensor Wireless temperature sensor with LCD readout and a 10' water temperature probe for monitoring water or soil temperature. Ideal for pools and hot tubs $ 37.95 LC-TX4U Sensor Indoor or outdoor wireless temperature/humidity sensor with wall mounting bracket $ 52.95 LC-TX5U Rain Sensor Wireless rain sensor with self tipping, self-emptying unit. $ 79.95 LC-TX6U Sensor Wireless temperature sensor with wall mount bracket included $ 40.05