3w Cob Led Downlight Adjustable LED Lamp

Ref Price:
$1.03 - 5.15 / pc
Loading Port:
Shang Hai
Payment Terms:
L/C,T/T
Min Order Qty:
50 Pcs pc
Supply Capability:
100000 Pcs Per Month pc/month

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Product Description:



General Introduction

3w Cob Led Downlight  

 

Specification

MODEL COB03A01
POWER3W
INPUTAC100-240V,50/60Hz
LUMEN260-350lm
LIFE TIME>30000H
COLOR TEMPERATURE2700k/6500k
PRODUCT SIZEΦ 90x57mm
MOUNTED HOLEΦ 75mm

 

Application 

1. Home and office lighting 

2. Commercial and industrial lighting 

3. School and college lighting 

4. Showcase lighting, bar lighting, display case accent, artworking lighting 

5. Warehouse lighting, hotel and restaraunt lighting

Quality control

Before the order confirmed finally,we would strictly check the material,color,dimension of the sample step by step

We salesman,also as an order follower,would trace every phase of production from the beginning

We have a QC team,every product would be checked by them before packed

We would try our best to help clients solve problems when they occurred.

 

Our Service

We promise to provide customers with highest quality, best price and best before and after-sales service. Of course we will be happy to assist you at anytime in any technical questions you may have. If you have some queries, please feel free to contact with us, I will make all my efforts to help you.

Packaging & Delivery

 

Package:

1 x Box

 

Delivery:

Shipping Service

Estimated Delivery Time

DHL

2-8 business days

FedEx

3-8 business days

TNT

2-10 business days

UPS

1-7 business days

EMS

6-14 business days

ePacket

7-12 business days

China Post Air Mail

7-15 business days

China Post SAL

14-30 business days

By sea

30-40 business days

1. 3-10 business days for Sample Orders; 7-40 business days for Bulk Orders.

2. "Business days" means Monday-Friday, excluding holidays.

3. DHL and UPS cannot ship to military or P.O. boxes address.

4. The Shipping Service above is for reference only, for any other questions, please feel free to contact us. 

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- Self introduction

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- Inquire about price/MOQ

Q:What is the role of LED downlight
In fact, choose a good day Lantern is a LED lamp energy saving function, ordinary energy-saving lamps should be minimum 5W is generally 11W, a LED lamp bead is 1W, long service life, ordinary energy-saving lamps have radiation, light at 400 nm will produce ultraviolet light is harmful to people, UV will attract insects so the general energy-saving lamp has bugs in the circles above, the LED will not produce ultraviolet
Q:LED lamp power off why would light up
LED lamp power off, will light up, this situation is normal in the 220 electric power supply situation, reason is caused by the distributed capacitance charge discharge line.Because the switch and the lamp is connected with 220V/50Hz AC power supply is normal, directly added to both ends of the lamp, the lamp work light; when closed, switch capacitor and lamp itself and the line is connected to the alternating current of 220V/50Hz, because the distributed capacitance of the charge and discharge can form weak current, the lamp will light.Solution: in the lamp circuit board input end in parallel with a pressure resistance of at least 400V of non-polar capacitor, capacity 0.05 micro method above (if the switch connection is longer, can be appropriately increased).
Q:LED ceiling lamp and LED downlight what is the difference
Two lights are installed at the top, the difference is less into the built-in lamp, lamp is installed, downlight is diffuse light, mainly regulate the indoor light effect, light is direct light, mainly to highlight the background picture or object.
Q:How to judge the quality of LED downlight
Determine the quality of LED ceiling lamp lighting effect, the United States and Taiwan LED chip chip chip, domestic chip etc.. Different brands, different prices, lighting difference is also large. Special low price downlight, make many use of chip production line down the defective products, color inconsistencies, brightness difference, short service life, users need to pay attention to.
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:How are LED lamp quality is good or bad?
1, in the purchase of LED lamp, can take a look at the lamp appearance, the lamp body is smooth, there is no scratches, the overall feeling is good, good LED downlight will feel heavy, because the use of the material and the radiator will be better.2, LED will take in the hand shaking force lamp, listen to whether there is noise, such as abnormal sound that no internal fixation downlight, there are security risks, for the unqualified products.3, light LED downlight, using a mobile phone camera function close to the light emitting surface to see whether there are such as flicker, flicker, the LED lamp is equipped with a power supply for the low-end products of inferior quality, affect the overall quality of LED downlight.4, the same LED lights lit up at the same time several manufacturers of the same type lamp, observe its luminous color and brightness is consistent, if not consistent is obvious, as inferior, because the same LED lamp manufacturers with the same type of products can not be light color and brightness inconsistency
Q:LED lamp is mainly used in where
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 lamps, which do not use the feeling of oppression, on the contrary will produce a warm effect. Therefore, the home can choose to install multiple lamps downlight, reduce the space sense of oppression. Usually in hotels, families, cafes, shopping malls LED downlight more. Indoor lighting LED lamp has strong applicability, but also because of its many other advantages. 1, the use of LED lamp for home improvement is more beautiful. Downlight help overall unified and perfect to keep indoor decoration, do not destroy the chandelier lamp light source set, hidden in the interior decoration, not exposed, no glare, visual effects LED light giving more soft and uniform. Energy saving 2, LED to help families reduce electricity costs: the same brightness power for the ordinary energy-saving lamp 1/4, a LED lamp can save electricity tens of dollars a month for a family. 3, LED lamp is not fragile, Recyclable, strong environmental protection: do not contain mercury and other harmful substances, no pollution to the environment. And its power saving is equivalent to reducing carbon emissions. In line with the family "energy-saving emission reduction" concept of life promotion. Longevity: LED 4, LED downlight lamp life of 50 thousand hours, six hours a day, is a life span of 20 years. This reduces the cost of buying lamps for families.
Q:Excuse me, how to install the LED lamp?
Lamps shall not be covered by any flammable substanceThe wiring of the lamp should not be close to the radiator, and should be avoided as far as possible
Q:How to choose the right LED downlight
Look at the power supply lamp (commonly known as: transformer) transformer quality also determines the whole life of the lamp, lamp used more than 50000 hours no problem, but if the transformer is destroyed, the whole lamp will not light up. The electronic components and design scheme in the transformer determine the efficiency, power factor, stability, temperature rise and service life of the transformer. Our driver is wide voltage drive, and the output current and voltage are stable.
Q:Led downlight and LED flat lamp that is durable
The theory is the same is led beads, but life is not long also depends on the heat dissipation effect of the product can solve the product solution that life is relatively a little longer you can see 100 lighting

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