No transmitter. Just the Thermometer.

The La Crosse Technology Wireless Digital Thermometer Indoor/Outdoor WS-7034U is a versatile device that allows you to monitor both indoor and outdoor temperatures accurately in Celsius or Fahrenheit. With a sleek gray design and a durable plastic construction, this thermometer is powered by batteries and features a wireless system for easy setup. Additionally, it includes a clock and can display the temperature measurements in real-time, making it a practical tool for keeping track of weather conditions in your home or garden. Made in China, this model is a reliable and convenient addition to any weather station setup.