PRECISE TEMPERATURE READINGS - Provides accurate temperature data to your Celestron Smart DewHeater Controller, ensuring optimal performance and preventing dew formation on your telescope optics. ENHANCED DEW PREVENTION - Allows your Smart DewHeater Controller to automatically adjust heating levels based on real-time temperature, maintaining clear views during observing sessions. SEAMLESS INTEGRATION - Designed specifically for use with the Celestron Smart DewHeater Controller, guaranteeing perfect compatibility and reliable operation for effective dew control. CONVENIENT CABLE LENGTH - Features a 72-inch (182.88cm) cable, offering ample reach to connect your temperature sensor to the dew heater controller without causing strain or tangling.