XH-W3103 digital temperature controller is a high-power AC220V thermostat with 30A maximum load supporting up to 5000W heating/cooling equipment, equipped with 2m NTC 10K temperature probe for accurate detection from -50℃ to 110℃ and control range -19℃ to 99℃. Triple-color digital LED screen separately shows start temp, real-time temp and stop temp for clear reading, physical SET buttons support quick parameter setting. It realizes fully automatic constant temperature cycle control with delay protection to extend heater and refrigeration service life. Wall-mounted lightweight ABS shell saves installation space, built-in anti-interference circuit ensures long continuous operation. Widely used in egg incubators, greenhouses, water heating tanks, drying ovens, aquaculture and small cold storage. Simple wiring, stable precision and competitive wholesale price, ideal temperature control device for agriculture, electrical and hardware distributors worldwide.