Q:There are no holes 7 cm, 9W led downlight

9W downlight generally open hole is 11 cm...Go and look for it on Taobao

Q:7 square feet of aisle to install 3 LED downlight, how much w led downlight

The three three watt brightness is enough, and the five watt is a bit wasted

Q:Why use LED lamp light source patch

SMD LED light emitting angle is 180 degrees (theoretical value), the diffuse reflective light through the tubular lamp cup, directed and no lens dazzling, very suitable for general lighting purposes. Of course, the cost of the lens is also saved.

Q:LED lamp is mainly used in where

Shopping mall. Just walk a lot and a lot of LED downlight.

Q:LED ceiling lamp and LED downlight what is the difference

LED is a kind of lamps downlight than ordinary lamp with light, usually used for general lighting or auxiliary lighting.The LED spotlight is a highly focused luminaire with light rays that have a specific target to be specified. Mainly used for special lighting, such as emphasizing a very good taste or very innovative place.

Q:Home LED lighting downlight is broken, want to change themselves, I would like to ask how to remove ah? Where do you start?

Waiyan button lights down pull down. Check the lamp plug is not loose. If there is no loosening that is bad (light card lamp bowl is a spring clip). To the store to buy a plug lamp behind the plug on the line (regardless of polarity). When the lamp. After the spring clip like middle pressure can turn the light back to the hole in the ANN.

Q:What is the size LED downlight

LED lamp size generally have 6 inch, 5 inch, 4 inch, 3 inch, 2.5 inch, inch inch refers to here, refers to the inside of the reflection cup diameter.The commonly used standard size and parameters of LED downlight:2.5 inch LED lamp size parameters of hole (phi 80) - page table size Phi 102 * H30 power 3W;3 inch LED lamp size parameters of hole (phi 90) - page table size Phi 112 * H30 power 5W;3.5 inch LED lamp size parameters of hole (phi 100) - page table size Phi 122 * H30 power 7W;4 inch LED lamp size parameters of hole (phi 120) - page table size Phi 146 * H30 power 9W;5 inch LED lamp size parameters of hole (phi 150) - page table size Phi 180 * H30 power 12W;6 inch LED lamp size parameters of hole (phi 160) - page table size Phi 190 * H30 power 15W;LED downlight is a kind of embedded lighting ceiling light shooting style.

Q:Now there is no replacement of the LED light source lamp?

Replacement method:1, hold down a pull on the circular edge of the lamp down, there is a two spring clip.2. Remove the line from the lamp and replace the new light.Disconnect power before dismantling to prevent electric shock.

Q:The difference between ordinary LED lamp and LED downlight and integration of advantages and disadvantages

Integrated downlight features:1. strong anti glare than the old lamp;The 2. lamp body adopts integrated design;3. spring elasticity is more suitable for installation;4. new package 2835 beads, can provide high lumen output. Have completed the best quality lamp wafer chip package can provide high brightness output. In many applications, it is very suitable. The design is compatible with the element size, brightness and trust so as to make the design more uniform spot downlight;5. the design of fastener design and opening recognition has been increased in packaging, which improves the reliability of packaging and the convenience of installing holes.

Q:The general living room to Amdo large size of the lamp?

Now more and more office and family on the use of LED lighting lamp. Because of the more and the applicability of the LED lamp used in indoor lighting more people know, is becoming more and more popular. LED has some other lamps downlight incomparable even other LED lamps can not compare the applicability of indoor lighting LED lamp does not occupy the indoor space in the indoor installation of LED downlight, because hidden lamp, do not use the pressure. Forced feeling, on the contrary will produce a warm effect. Therefore, you can choose to install multiple lamp decoration lamp, reduce the pressure of space. A sense of urgency.