Application: Suitable for granaries, warehouses, computer rooms, farms, incubation rooms, textile industries, and other locations requiring heating, cooling, humidification, or dehumidification. Outdoor terminal box, power distribution box (automatic heating and dehumidification), helps prevent tracking and misoperation accidents. Automatic heating and dehumidification for high-power distribution units and high-voltage switch mechanism boxes indoors; provides automatic heating in low-temperature environments to prevent switch failure due to cold conditions. Features: Displays temperature and humidity. Supports various models to control output based on changes in temperature and humidity. Includes RS485 communication function. High-performance, high-precision, durable temperature sensor capable of long-term operation in diverse environments. Model: MH0302 Supply: 85~250VAC, 50-60HZ Power consumption: 2W Resolution: 0.1 Control output: 3A, 250VAC (Resistive Load) Display: LED Temperature set range: -40C to 120C Humidity set range: 0-99.9% RH Differential setting for Temperature: 0-9C, Humidity: 1-9% RH Accuracy: 1C for Temperature, 5% RH for Humidity Operating temperature: -10C to 50C Operating humidity: 45% to 85% RH Mechanical life: At least 300,000 cycles Output mode settings: 001 = Heating, Humidification 002 = Heating, Dehumidification 003 = Cooling, Humidification 004 = Cooling, Dehumidification Color: Black Material: ABS + electronic components Size: 8.0 x 8.0 x 10.0 cm Package Contents: 1 x Temperature & Humidity Controller MH0302 1 x Temperature & Humidity Combined Sensor with 3-meter cable 1 x Manual Note: Light and display differences may cause slight color variations between the image and actual item. Measurement error allowance is +/- 1-3 cm. Only the items listed above are included; other products are not included.