The Honeywell Ademco TS300 Dual Temperature Sensor is a white temperature sensor manufactured by ADEMCO/HONEYWELL in Mexico. This model is compatible with other Honeywell and ADEMCO products, providing accurate dual temperature readings for various applications. With a manufacturing year of 2005 and 2013, this sensor offers reliable performance for HVAC systems, building automation, and energy management. Its dual temperature sensing capabilities make it ideal for monitoring both indoor and outdoor temperatures with precision and efficiency.