PIDMaxWell TH100 is a dual-loop temperature and humidity controller with 2 independent relay outputs. It simultaneously monitors and controls both parameters with dedicated outputs for heating, cooling, humidifying, and dehumidifying. Features RS-485 Modbus-RTU communication for remote monitoring. Large dual-LED display shows temperature and humidity at the same time. Wide range: -15℃~85℃ temp, 0~100% RH. Ideal for greenhouses, warehouses, cleanrooms, and HVAC systems. CE certified.