The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked. Tips Over? No worries! Safety is always the priority. Built-in tip-over protection automatically powers down if the heater tips over. Energy efficient High: 1500W for instant heating; Low: 800W for slow heating but saving energy, you’ll be amazed how much you will save up through the winter. Flame-retardant Materials Made with special flame-retardant materials, never flames. Spark-proof even when under prolonged exposure to flame or heat. Overheat Protection The heater will shut off when reaching the limited temperature, no need to worry about getting too hot. Intuitive Control The minimalist design offers you full control to the heater with only one switch. Changes between four modes in an easy switch. Widespread Oscillation The internal fan oscillation sends the warmth through the room without squeaky mechanical body rotation. Warm and quiet. Detachable Filter Comes with detachable dust screen and replaceable filter that can filter out most of the dirt and germs. Portable Handle Grab on the built-in handle to take the heater anywhere you need. You can use it on the desk when you work, put it on the floor when you sleep. Why there is something rattling inside the heater when shaken? No worries, it is normal. Because the built-in tip-over switch inside the heater will rattle when it's shaken. It is not a quality problem. How long is the power cord? he power cord is 5.2 feet. Can the oscillation be turned off? Yes, you can just clockwise rotate the control knob from "WARM" mode or "HOT" mode with arrow above it to "WARM" mode or "HOT" mode. Is it safe to use the N1 space heater on the wood table? Yes, it is safe. Do not worry about this because the temperature in the base will not too high. How and how often does the filter need to be cleaned? The filter is detachable and washable. It is recommended to clean the filter once or twice in a month. Please just make sure it's dry when you put back in.