1/2/3pc Smart Radiator Fan 100-240V 50/60Hz Booster Extension Set Ventilator Fan Universal Promote Hot Air Circulation 30x7x3cm Features: Sustainability: The energy-efficient fan heater improves the delivery of warm air to the environment and doubles the heating output. It helps save up to 30% on gas costs. More Comfort: Increased air circulation and improved heat distribution ensure that heat rises faster and more evenly throughout the room. The quiet drive of the fan heater maintains a peaceful environment in the apartment. Easy Installation: The fan heater is easily installed and suitable for almost all radiators. It operates independently with a temperature sensor, making it suitable for radiators and convectors from 50 cm. Automatic Operation: Equipped with an external thermostat switch, it automatically starts operation when the radiator reaches 33 degrees and switches off automatically when the radiator cools down to 25 degrees. Set temperature:The fan can be set to run at any temperature and stop at any temperature. The default operating temperature is 33 degrees and stops at 25 degrees.Can display the current temperature on the screen Durable: Rugged and durable shell, compliant with ROHS certification, flame retardant, with a service life of up to 50,000 hours Safety certification: passed ROHS, REACH certification Specifications: *Product Name: Smart Radiator Fan *Size:320x70x30mm *Color: white Input voltage: 100-240V 50/60Hz AC 350MA Plug input voltageDC 5V 0.2A Airflow100CFM/160m/h Power1.75W Decibel level20DB *Material:plastic Mono set suitable for 50 to 75cm radiators D-uo set suitable for 75 to 120cm radiators Trio set suitable for radiators larger than 120cm Package Content: 1/2/3pcx Radiator Ventilator 1*extension cable with Type C connector 1*Thermostat with connector cable 1*Power adapter 1*Magnetic temperature sensor Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.