Many people should have an impression. In the early 20th century, most families used more complicated glass lamps, such as chandeliers and ceiling lamps. The windows and lamps also use similar glass. Since the lamps will be easier to fall after aging and cause danger, I gradually hope to use other m

Body aluminum fins for heat dissipation Lamp body aluminum fin heat dissipation: It is a passive cooling method. The tail is very large and there is no small fan. The principle of thermal convection is used to circulate the air through the air to make the temperature of the lamp body uniform. Advant

Is the light off because there is something wrong with the battery? How long can the battery last?Is the reason the lamp doesn't come on because there is a problem with the battery? If the light brightness is not enough, first check whether there is a problem with the light bulb, second in the lamp

LED lights are not produced waste heat is very little, why led lights must also have a heat sink?Alphabet Carpool453 Browse 2019-12-07LED lights are not produced waste heat is very little, why led lights must also have a heat sink?LeD lamp cooling is relatively small, LED lamp itself although the he

The lights are still on after the stop? It could be for these reasons.After the stop, in theory the whole car should be all power cut off, all the electrical equipment in the car should be turned off, this is common sense. However, there are also many new cars, in the parking to cut off the power lo

Flip lights, why are they not used now?Flip lights are also known as jump lights and hidden lights. This kind of lamp design was born in 1935, and then the major automobile manufacturers rushed to adopt this design, popular. But now, flip-flop lights can only be seen in old movies, like the AE86 and