Stand Fan LF-409AT

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Why we choose Okorder.com?

We hold a very strict quality control system to check every connector of our products for your safety.

Ver.1

1. We will reply you in detail within 24 hours

2. We own well-trained and professional sales and after- sale services who can speak fluent English.

3. We offer OEM services and can print your own logo on products.

4. We have strong ability to do ODM projects.

Q:What is the working principle of an electric fan?: The surface of the body has a lot of sweat, when the electric fan, indoor air flow, so it can promote the rapid evaporation of sweat, combined with evaporation need to absorb a lot of heat, so people will feel cool.

Q:How long can the electric fan be timed?: Another is circuit control, can be 30 minutes, 1 hours, two hours, four hours, and so on, depending on the circuit, microcontroller, timer settings

Q:Can the electric fan blow to the notebook computer?: The cooling base effect is similar to that of an electric fan, but if one, the air duct will be better. After all, the bottom of the notebook is the air inlet. The best way to get rid of heat is to clean the dust and change the heat transfer cream

Q:How to pick an electric fan?: The fan leaves of a bamboo, streamlined appearance.

Q:How to measure the speed of an electric fan conveniently and precisely?: High speed video recording, then slow down. Put your watch on the edge and check for yourself

Q:Why do most fans only have 3 blades?: Fan pieces mean higher production costs and higher maintenance costs

Q:What is the principle of a vaneless fan?: The base there is a similar air compressor device, the air is sucked in, after compressed by spraying out annular gap above the ejected air annular air flow driven device, has the wind.

Q:What are the advantages and disadvantages of the vaneless fan?: Non - leaf noise makes it necessary to absorb air at the base

Q:How to do if the electric fan is noisy?: This requires the electric fan to be taken apart for cleaning

Q:Why can an electric fan choose only 123 winds, and this discrete value instead of zero to three continuous type?: A multi throw switch is cheaper than a rheostat

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