Features: The shell is made of PC + ABS flame retardant material, which is durable for long-term use. Fan coil thermostat is an independent microprocessor-based thermostat with an LCD display. The thermostat is designed for on/off fan coil unit control of fans, valves, dampers. Fan speed can be manually controlled by the fan speed control button, it can change the speed by connecting to 3 fan speed (low / medium / high) + automatic. Through the NTC temperature sensor inside the controller, the indoor temperature is detected and compared with the user set temperature in real time. Specification: Condition: 100% Brand New Item Type: Fan Coil Unit Thermostat Shell Material: PC + ABS Color: As shown in the picture Product Size: Approx.8.7x8.7x4.1cm / 3.4x3.4x1.6in Temperature Sensor: NTC thermistor Power Supply Voltage: AC180-260V, 50/60HZ Control Accuracy: ±1°C Self-consumed Power: <1W Temperature Setting: 5~35°C Load Power: <300W Display Range: 0-35°C Terminal Block: Can connect 2x1.5mm2 or 1x2.5mm2 wire Working Environment: 0-45°C Display: LCD Humidity: 5% ~ 95% RH (no condensation) Mounting Hole Spacing: 60mm Package List: 1 x Temperature Controller 1 x Instruction Manual 2 x Screw 1、Through the NTC temperature sensor inside the controller, the indoor temp 2、Fan speed can be manually controlled by the fan speed control button, it can change the speed by connecting to 3 fan speed (low / medium / high) + automatic. 3、The thermostat is designed for on/off fan coil unit control of fans, valves, dampers. 4、Fan coil thermostat is an independent microprocessor-based thermostat with an LCD display. 5、The shell is made of PC + ABS flame retardant material, which is durable for long-term use.