Specification: Color: White/Red/Blue (optional) Plug: EU/US/UK (optional) Power: 300W Voltage: 110V (US)/ 220-240V(EU/UK) Heat: PTC Fever Item Weight: 601g/21.20oz Item Size: 255*90*85mm/10.04*3.54*3.35in Safety: 1. With Thermal Protection 2. Resettable Temperature Control 3. The internal temperature rise exceeds 60 degrees, the product is automatically powered off, and the temperature is lowered and then automatically resumed 4. The internal temperature rise exceeds 90 degrees, the one-time thermal protection is blown, and the product cannot work 5. Double safety protection, fireproof and explosion proof Instructions for Use: 1. PCBA intelligent panel combined with mechanical buttons for easy operation 2. Turn on the power, plug the power cord into the power outlet, and press the power button. Each time you press the mode, you will follow 3. COOL / WARM / OFF. 4. COOL: The power indicator lights up in green 5. WARM: the power indicator lights up red 6. OFF: The power indicator flashes red for 30 seconds and then shuts down. Note: 1. Do not cover the heater in case of overheating. 2. Do not block the air intake and keep it at least 10m away from the wall or other object. 3. It is best not to put it on the carpet, or the unit may not work unless something hard is used as a carpet under the radiator. 4. Do not touch the metal grill (vent) while the heater is running to prevent burns. 5. If you do not use it, turn it off and unplug it. 6. It will continue to work for 15-30 seconds after power off. 7. It is designed for heating in some parts of the space, not for heating an entire room. Packing List: 1 * Heater Fan 1 * User Manual