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

Between general 7-12W hole 9.5 cm can be chosen, the LED lights our company own, opening 9.5 cm, 9-12W, 7W ceiling light is also your choice, to choose a bright power point, brightness not too big, choose a smaller power good enough!!

Q:Why use LED lamp light source patch

Patch LED because of small footprint, the unit area can increase the number of LED series, which has a small power LED lamps power factor has improved benefits.

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:LED is not only the benefits of downlight what harm?

And before the benefits of lighting equipment is quite obvious, if you really find faults if I feel bad replacement replacement, light bulb was down for a new can, to LED welding, when the current had a high fever bad replacement is more trouble, but because the LED lamp from the battery or the charging the battery power supply, basically there is no current unstable situation

Q:How many good color family LED downlight

It depends on personal preference, but there are some samples

Q:What is the size LED downlight

The inches here are inches, not ancient measurements, inches, feet, rulers, etc.. 1 inches =25.4 mm =2.54 cm (1 inch = 2.54cm)So:4 inches =4 X 2.54=10.16cm. About 10cm = 100mm6 inches =6 X 2.54=15.24cm. About 15cm = 150mm8 inches =8 X 2.54=20.32cm. About 20cm = 200mm

Q:Turn off the lights after the bright LED lamp

Because the electrician is working on the power off switch, the power switch is a zero line, not a live wire. Electricians know that the power switch must be cut off by the line of fire, and no danger of electric shock is announced. If the power switch is on fire line, after the power is cut off, the FireWire will continue to supply power to the LED driver. Therefore, the LED lamp will have a faint light when the switch is turned off.

Q:What brand of downlight is good? Please explain the reason, thank you!

Value. Of course, a person's life is not all activities, just for money, the pursuit of fashion, to accept new things, but also a way of life!

Q:What is the difference between the LED and the LED lamp ceiling lamp

In appearance, it's just a different shape.If from the use point of view, led ceiling lamp has environmental protection, pollution-free, less power consumption, high light efficiency, long life and so on, it is widely used in urban road lighting.LED downlight belongs to directional lighting lamps', it only on the 'vertical' surface to the light beam angle belongs to light, light is concentrated, contrasting. More prominent objects, higher lumen, but also set off a quiet atmosphere of the environment.Led downlight characteristics: architectural decoration of the whole system and a 'perfect' does not break bad lighting settings, light hidden building interior decoration, the light source is not exposed, no glare, the visual effect is soft and uniform.

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.