Source for led bulbs, 4W,Black manufacturers at Chang Guang LED Lighting (Shenzhen ) Co., Ltd. Find a quality supplier or manufacturer of led bulbs, 4W,Black from China

General Information:

Power Consumption:3.4 W

Input Voltage: AC 85~265V

Work Frequency: 50Hz/60Hz

Light efficacy: ≥90lm/w

Dimensions: 66mm*118mm

Construction: Impact resistant glass & integrated heat sink

Base Types E27/E26 (GU10/B22 also available)

Operating Temperature: -20 ~50 degrees Celsius

Necessary information:

Rated wattage:  4W

Rated luminous flux;360lm

Beam angle:120 Degree.

Rated lamp life time: ≥30,000 Hours (MTBF)

Lamp power factor: ≥0.80

Color Rendering Index:≥75

Color Temperature: 2700K---8000K

Starting time: 0.20ms(instant full light)

Lumen maintenance factor at the end of the nominal life:about 75%(±5%)

Number of switching cycles before premature lamp failure;≥1,000,000 Times (5,000 Times in Lab).

Warranty: CE, RoHS,UL

Application:

Apply to hotel, various of selling places, shopping mall etc.

Apply to office , conference room, exhibition hall,etc.

Apply to living room, dinning room, kitchen, bedroom etc.

Apply to airport, station, exhibition hall, library, hospital, school, factory and other public places.

Special Advantages:

Instant Starting: Starts right away no matter the temperature or conditions

Long Life: ≥30,000  hour lifespan exceeds even the highest quality traditional lamps

Extreme Efficiency Saving: Over 90% more efficient than incandescent lamp..

Flicker-Free Lighting.

High light efficacy;≥90lm/w

3 kinds of color,very fashion.

Important Technology Information;

1. Pure aluminum plus 30% heat dissipation compared to normal general housing of Aluminum Alloy Casting Die
2. Streamline housing design, double heat spread area
3. Appearance with anodized treatment, increase by 20% heat radiation,
4. Circuit design
1) Safety standard
A. Optocoupler isolation circuit design
B. Isolation coil transformers, non-inductive

C. According to CE safety standards EN61547 + EN60598, and UL safety standards UL1993.
D If the products is abnormal, it will not damage the human and property, protect user safe effectively.
2) EMC Standard
A. According to European EMC standard EN55015, and the United States FCC standard Part 18
B. Effectively resist surrounding electromagnetic environment effects, and inhibit the proliferation of electromagnetic energy to the surrounding environment.

Remark:

We are led lighting manufacturer in China,our main products include: led lights, led lampen, led bulbs, led spotlight, led downlight, led panel, led panel light,led fixtures, led tube, ,led tunnel light, led street lamp,led emergency light, led flashlight, led rechargeable light, indicator light, led torch light,led battery light,etc.