Application: Suitable for granaries, warehouses, computer rooms, farms, incubation rooms, textile industries, and other locations requiring heating, cooling, humidification, or dehumidification. Outdoor terminal boxes, power distribution boxes (automatic heating and dehumidification), prevent creepage caused by misoperation accidents. Automatic heating and dehumidification for high-voltage power distribution units and high-pressure switch mechanism boxes indoors. Automatic heating in low-temperature environments to prevent switch failure due to cold conditions. Features: Displays temperature and humidity. Supports different models to control output based on temperature and humidity changes, with RS485 communication function. High performance, high precision, durable. Temperature sensor designed for long-term operation in various 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: -40~120°C Humidity set range: 0-99.9%RH Differential setting: Temperature: 0-9°C, Humidity: 1-9%RH Accuracy: Temperature: ±1°C, Humidity: ±5%RH Operating environment: Temperature: -10°C to 50°C, 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 allowed: ±1-3cm.