The Honeywell 5809SS Wireless Heat and Rate-of-Rise Temperature Sensor is a white wireless temperature and humidity sensor from the trusted brand Honeywell. This sensor features rate-of-rise temperature sensors, wireless fixed heat capabilities, and operates on a single battery. With Wi-Fi connectivity, this sensor can be easily integrated into your smart home system to provide reliable temperature monitoring. Made in Mexico, this product offers superior accuracy and convenience for home and garden temperature detection.